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84-599: Under the Köppen system , the Grésivaudan valley is on the boundary between the humid continental and the oceanic climates. Winters are cold and moderately snowy, while summers are hot and slightly drier. 45°19′00″N 5°57′00″E  /  45.3167°N 5.95°E  / 45.3167; 5.95 This article related to geography of France is a stub . You can help Misplaced Pages by expanding it . Humid continental climate A humid continental climate

168-552: A Cfb / Cfa ( Oceanic climate / Humid subtropical climate ) borderline case. Western Georgia ( Batumi and Kutaisi ) in the Kolkheti Lowland and the northeast coast of Turkey ( Giresun ), have a climate similar to that of Gilan and Mazandaran in Iran and very similar to that of southeastern and northern Azerbaijan. Temperatures range from 22 °C (72 °F) in summer to 5 °C (41 °F) in winter and rainfall

252-685: A Csa climate well inland to ensure hot summers and cold winters. They are generally found in the highly elevated areas of south-eastern Turkey ( Hakkâri ), north-western Iran, northern Iraq, parts of Central Asia , parts of the High Atlas mountain range in central Morocco and very small parts of the Intermountain West in the United States. This climate zone does not exist at all in the Southern Hemisphere, where

336-614: A classification). More extreme and inland humid continental climates, sometimes known as "hyper-continental" climates, are found in northeast China , southern Siberia , Mongolia , Kazakhstan , most of the southern interior of Canada , and the Upper Midwest , where temperatures in the winter resemble those of adjacent subarctic climates (with long, drier, generally very cold winters) but have longer and generally warmer summers (in occasional cases, hot summers). A more moderate variety, found in places like Honshu , east-central China,

420-500: A highly pronounced summer peak, unlike other regions of this climate type. Drought can be severe and often catastrophic to agriculture in the Cwa zone. The only area where winter precipitation equals or even exceeds the summer rain is around the San'in region at the western coast of Japan, which during winter is on the windward side of the westerlies. The winter precipitation in these regions

504-782: A humid subtropical climate with a distinctively high amount of rainfall during summer. In France, the climate is found in parts of the Garonne Valley (city of Toulouse ) and in the Rhône Valley , including the cities of Lyon and Valence . Due to climate change, some cities on the Balkan peninsula and in the Pannonian Basin such as Belgrade , Novi Sad , Niš and Budapest are now just warm enough to be categorized as such. At 48°N , Bratislava , in Slovakia , lies on

588-518: A humid subtropical climate, generally in the form of hot and humid summers, and mild to cool winters. These areas, which include the Pampas , generally feature a Cfa climate categorization. At 38°S , the Argentine city of Bahía Blanca lies on the southern limit of the humid subtropical zone. The Cwa climate occurs in parts of tropical highlands of São Paulo state , Mato Grosso do Sul and near

672-516: A marked reduction in wintry precipitation, which increases the chances of a wintertime drought ( w ). Snowfall occurs in all areas with a humid continental climate and in many such places is more common than rain during the height of winter. In places with sufficient wintertime precipitation, the snow cover is often deep. Most summer rainfall occurs during thunderstorms , and in North America and Asia an occasional tropical cyclone (or

756-520: A mean temperature above 10 °C (50 °F). While many subtropical climates tend to be located at or near coastal locations, in some cases, they extend inland, most notably in China and the United States , where they exhibit more pronounced seasonal variations and sharper contrasts between summer and winter, as part of a gradient between the hotter tropical climates of the southern coasts and

840-465: A more humid July. This is followed by the cooler but still hot and extremely humid monsoon season (August-September), where the region experiences heavy rains almost daily, with humidity usually above 90%. The autumn season (October-November), which immediately follows the monsoon and precedes winter, usually experiences a pleasant climate. Cities such as New Delhi , Dehradun , Lucknow , Kanpur and Patna , among others, exhibit this atypical version of

924-478: A result of these systems. As an example Lismore which lies in the centre of this zone, the annual rainfall can range from less than 550 millimetres (22 in) in 1915 to more than 2,780 millimetres (109 in) in 1950. As the continent does not have a large ocean to its east as the case in many other continents within the climate zone, humid subtropical climates in Europe are limited to relatively small areas on

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1008-739: A subarctic climate. In the Southern Hemisphere , it exists in well-defined areas only in the Southern Alps of New Zealand , in the Snowy Mountains of Australia in Kiandra, New South Wales and the Andes Mountains of Argentina and Chile . Since climate regimes tend to be dominated by vegetation of one region with relatively homogenous ecology, those that project climate change remap their results in

1092-491: A summer peak especially where storms reaching the level of monsoons are well developed, as in Southeast Asia and South Asia . Other areas have a more uniform or varying rainfall cycles but consistently lack any predictably dry summer months unlike Mediterranean climates (which lie at similar latitudes but, in most continents, on opposite coasts). Most summer rainfall occurs during thunderstorms that build up due to

1176-453: A tendency toward dry conditions in winter with rain increasing in spring, with December or January often the driest months. Humid subtropical climates are found in a sizable portion of South America. The climate extends over a few states of southern Brazil, including Paraná , into sections of Paraguay , all of Uruguay and central Argentina (Pampas region). Major cities such as São Paulo , Buenos Aires , Porto Alegre and Montevideo , have

1260-526: A thermal profile, but because of semi-arid precipitation portions of it are grouped into the BSk category. In Europe , it is found in much of Central Europe : Germany (in the east and southeast part of the country), Austria (generally below 700 m (2,297 ft)), Poland , Czech Republic , Slovakia , Hungary (generally above 100 m (328 ft)), Croatia (mostly Slavonia region), in much of Eastern Europe : Ukraine (the whole country except

1344-538: A tropical savanna, or Aw , climate. Annual rainfall within Australia's humid subtropical climate zone can reach as high as 2,000 millimetres (79 in) in coastal locations and is generally 1,000 millimetres (39 in) or above. The most intense 2-3 day rainfall periods that occur in this coastal zone however are the outcome of east coast lows forming to the north of a large high pressure system , there can be great variation in rainfall amounts from year to year as

1428-447: Is a climatic region defined by Russo-German climatologist Wladimir Köppen in 1900, typified by four distinct seasons and large seasonal temperature differences, with warm to hot (and often humid) summers, and cold (sometimes severely cold in the northern areas) and snowy winters. Precipitation is usually distributed throughout the year, but often these regions do have dry seasons. The definition of this climate in terms of temperature

1512-567: Is also found in the narrow coastal sections of southern and eastern South Africa , primarily in KwaZulu-Natal and the Eastern Cape provinces. South Africa's version of this climate features heavy oceanic influences resulting in generally milder temperatures. This is particularly evident in its winters when temperatures do not drop as low as in many other regions within the humid subtropical category. In East Asia , this climate type

1596-400: Is also known as warm temperate climate in some climate classifications. Under the Köppen climate classification , Cfa and Cwa climates are either described as humid subtropical climates or warm temperate climates. This climate features mean temperature in the coldest month between 0 °C (32 °F) (or −3 °C (27 °F)) and 18 °C (64 °F) and mean temperature in

1680-442: Is as follows: the mean temperature of the coldest month must be below 0 °C (32.0 °F) or −3 °C (26.6 °F) depending on the isotherm, and there must be at least four months whose mean temperatures are at or above 10 °C (50 °F). In addition, the location in question must not be semi-arid or arid . The cooler Dfb , Dwb , and Dsb subtypes are also known as hemiboreal climates. Although amount of snowfall

1764-642: Is even heavier than in Caspian Iran, up to 2,300 millimetres (91 in) per year in Hopa (Turkey). These climates are a Cfb / Cfa ( Oceanic climate / Humid subtropical climate ) borderline case. In North America, humid subtropical climates are found in the American Gulf and lower East Coast states, including Alabama , Arkansas , Florida , Georgia , Louisiana , Mississippi , North Carolina , Oklahoma , South Carolina , Tennessee , and Texas . On

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1848-521: Is found in northern Kazakhstan , southern Siberia , parts of Mongolia , northern China , and highland elevations in the Koreas . Like its hot-summer counterpart, these climates are typically dry in the winter and bitterly cold due to the Siberian High (often with winter temperatures comparable to their nearby subarctic climates ), while summers are warm and long enough to avoid classification as

1932-477: Is found in the southeastern quarter of mainland China from Hong Kong north to Nanjing, the northern half of Taiwan , southern and central Japan ( Kyushu , Shikoku and half of Honshu ), and the most southern regions of Korea (the south and east Central and Southern Gyeongsang Province and Jeju island ). Cities near the equatorward boundary of this zone include Hong Kong and Taipei ; while Tokyo , Busan - Pohang - Gangneung of Korea and Qingdao are near

2016-677: Is generally not as high here as in other continents within this climatic zone. The Po Valley , in Northern Italy , including major cities such as Milan , Turin , Bologna , and Verona , has a humid subtropical climate, featuring hot, humid summers with frequent thunderstorms; winters are foggy, damp and chilly, with sudden bursts of frost. Places along the shores of Lake Maggiore , Lake Lugano , Lake Como ( Como and Verbania in Italy and Lugano and Locarno in Switzerland ) have

2100-415: Is less extreme than the most inland hyper-continental variety. Using the Köppen climate classification , a climate is classified as humid continental when the temperature of the coldest month is below 0 °C [32.0 °F] or −3 °C [26.6 °F] and there must be at least four months whose mean temperatures are at or above 10 °C (50 °F). These temperatures were not arbitrary. In Europe,

2184-565: Is less seasonally uniform in the west. The western states of the western United States (namely Montana , Wyoming , parts of southern Idaho , most of Lincoln County in Eastern Washington , parts of Colorado , parts of Utah , isolated parts of northern New Mexico , western Nebraska , and parts of western North and South Dakota ) have thermal regimes which fit the Dfa climate type, but are quite dry, and are generally grouped with

2268-404: Is not a factor used in defining the humid continental climate, snow during the winter in this type of climate is almost a guarantee, either intermittently throughout the winter months near the poleward or coastal margins, or persistently throughout the winter months elsewhere in the climate zone. Humid continental climates are generally found between latitudes 40° N and 60° N , within

2352-724: Is noted during the autumn of deciduous forests. In the poleward direction, these climates transition into subarctic climates featuring short summers (and usually very cold winters) allowing only conifer trees. Moving equatorword, the hot-summer continental climates grade into humid subtropical climates (chiefly in North America and Asia) while the warm-summer continental climates grade into oceanic climates (chiefly in Europe), both of which have milder winters where average temperatures stay above 0°C (or -3°C). Some continental climates with lower precipitation (chiefly in Central Asia and

2436-491: Is plentiful in North America's humid subtropical climate zone – but with significant variations in terms of wettest/driest months and seasons. Much of the interior South , including Tennessee, Kentucky, and the northern halves of Mississippi and Alabama, tends to have a winter or spring (not summer) precipitation maximum. Closer to the South Atlantic and Gulf coasts, there is a summer maximum, with July or August usually

2520-701: Is to be found in northern China including Manchuria and parts of North China , south-east Russia , and over much of the Korean Peninsula ; it has the Köppen classification Dwa . Much of central Asia , northwestern China , and southern Mongolia has a thermal regime similar to that of the Dfa climate type, but these regions receive so little precipitation that they are more often classified as steppes ( BSk ) or deserts ( BWk ). Dsa climates are rare; they are generally restricted to elevated areas adjacent to mid-latitude Mediterranean climate regions with

2604-652: Is usually produced by low-pressure systems off the east coast that develop in the onshore flow from the Siberian high. Summer rainfall comes from the East Asian Monsoon and from frequent typhoons . Annual rainfall is generally over 1,000 millimetres (39 in), and in areas below the Himalayas can be much higher still. Humid subtropical climates can also be found in the Indian subcontinent , predominantly in

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2688-464: Is usually three inches or less. However, for the majority of the winter here, temperatures remain above or well above freezing. At the northernmost limits of this zone, cities such as New York City , Philadelphia , Baltimore , Washington, D.C. , and Louisville typically see snowfall during the winter, with occasional heavy snowstorms. Still, average temperatures during a typical winter hover just above freezing at these locations. Precipitation

2772-453: The Andean highland in northwestern Argentina . These highland areas feature summer temperatures that are warm enough to fall outside the subtropical highland climate category. The humid subtropical climate zone predominantly lies in eastern Australia, which begins from the coastal strip of Mackay, Queensland and stretches down the coast to just south of Sydney , where it transitions into

2856-698: The Black Sea coast), Belarus , Russia (mostly central part of European Russia ), south and central parts of the Nordic countries not bathed by the Atlantic Ocean or North Sea : Sweden (historical regions of Svealand and Götaland ), Denmark , Finland (south end, including the three largest cities ), Norway (most populated area), all Baltic States : Estonia , Latvia , Lithuania and also in parts of: Romania (generally above 100 m (328 ft)), Bosnia and Herzegovina , Turkey and in

2940-482: The Cairngorm Mountains of Scotland , (generally above 100 m (328 ft)). It has little warming or precipitation effects from the northern Atlantic. The cool summer subtype is marked by mild summers, long cold winters and less precipitation than the hot summer subtype; however, short periods of extreme heat are not uncommon. Northern Japan has a similar climate. In Asia, this climate type

3024-828: The Caucasus , in Azerbaijan and in Georgia wedged between the Caspian and Black seas and coastal ( Black Sea ) Turkey, albeit having more oceanic influence. Annual rainfall ranges from around 600 millimetres (24 in) at Gorgan to over 1,830 millimetres (72 in) at Bandar-e Anzali , and is heavy throughout the year, with a maximum in October or November when Bandar-e Anzali can average 330 millimetres (13 in) in one month. Temperatures are generally moderate in comparison with other parts of Western Asia. During winter,

3108-484: The Dfa climate type is present near the Black Sea in southern Ukraine , the Southern Federal District of Russia , southern Moldova , Serbia , parts of southern Romania , and Bulgaria , but tends to be drier and can be even semi-arid in these places. In East Asia, this climate exhibits a monsoonal tendency with much higher precipitation in summer than in winter, and due to the effects of

3192-455: The Holdridge life zones classification, the subtropical climates have a biotemperature between the frost or critical temperature line, 16 to 18 °C (61 to 64 °F) (depending on locations in the world) and 24 °C (75 °F), and these climates are humid (or even perhumid or superhumid) when the potential evapotranspiration (PET) ratio (= PET / Precipitation) is less than 1. In

3276-778: The Kashmir Valley in India, where the primary precipitation peak occurs in March, not July or August). Further east, in highland areas with lengthier monsoons such as Nepal, seasonal temperature variation is lower than in the lowlands. In Southeast Asia , about 90% of the region has a tropical climate ; but humid subtropical climates can also be seen here, such as in Northern Vietnam (including Hanoi ). Southeast Asian locations with these climates can feature cool temperatures, with lows reaching 10 °C (50 °F) during

3360-538: The Korean Peninsula , parts of Eastern Europe , parts of southern Ontario , much of the American Midwest , and the Northeast US , the climate combines hotter summer maxima and greater humidity (similar to those found in adjacent humid subtropical climates ) and moderately cold winters and more intermittent snow cover (averaging somewhat below freezing, too cold for a more temperate classification), and

3444-668: The humid continental zone due to colder winters. All these areas are subject to occasional, in some cases repeated snowfalls and freezes during winter. In Central Europe , a small area of humid subtropical climates are located in transitional areas between the oceanic and continental climates in areas where higher summer temperatures do not quite qualify it for inclusion in the Oceanic climate schema and mild winters do not allow their inclusion into continental climates. Average summer temperatures in areas of Europe with this climate are generally not as hot as most other subtropical zones around

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3528-591: The Canadian Prairie Provinces and below 40°N in the high Appalachians . In Europe, this subtype reaches its most northerly latitude in Bodø at the 67°N . High-altitude locations such as Flagstaff, Arizona , Aspen, Colorado and Los Alamos, New Mexico in the western United States exhibit local Dfb climates. The south-central and southwestern Prairie Provinces also fits the Dfb criteria from

3612-576: The Florida peninsula, the humid subtropical climate gives way to the tropical climate of South Florida and the Florida Keys . Under Köppen's climate classification, this zone includes locations further north, primarily Virginia , Kentucky , the lower elevations of West Virginia , Maryland , Delaware , Washington, D.C. , southeastern Pennsylvania , central and southern portions of New Jersey , and Downstate New York . It can also be found in

3696-589: The Gulf of Mexico, such as Austin and San Antonio that border the semi-arid climate zone, generally see a peak of precipitation in May, a drought-like nadir in mid-summer and a secondary, if not equal, precipitation peak in September or October. Areas further south along South Texas ' Gulf Coast (Brownsville), which closely border tropical climate classification , typically have a strong September precipitation maximum, and

3780-478: The Holdridge classification, the humid subtropical climates coincide more or less with the warmest Cfa and Cwa climates and the less warm humid tropical "Köppen" climates ( Aw , Am and Af ). Cfa : C = Mild temperate f = Fully humid a = Hot Summer Cwa : C = Mild temperate w = Dry Winter a = Hot Summer In Africa, humid subtropical climates are primarily found in

3864-594: The Nepalese version of the climate generally does not feature the extreme hot spells that are commonplace for many other South Asian locations with this climate. In Nepal cities such as Kathmandu , Pokhara , Butwal , Birgunj and Biratnagar feature this iteration of the climate. In South Asia, humid subtropical climates generally border on continental climates as altitude increases, or on winter-rainfall climates in western areas of Pakistan and northwestern India (e.g. Peshawar in northwestern Pakistan or Srinagar in

3948-744: The Sydney region ranges between 800 and 1,200 millimetres (31 and 47 in). There is usually a distinct summer rainfall maximum that becomes more pronounced moving northwards. In Brisbane, the wettest month (February) receives five times the rainfall of the driest month (September). Temperatures are very warm to hot but are not excessive: the average maximum in February is usually around 29 °C (84 °F) and in July around 21 °C (70 °F). Frosts are extremely rare except at higher elevations, but temperatures over 35 °C (95 °F) are not common on

4032-547: The Western United States) grade into semi-arid climates with similar temperatures but low precipitation. A hot summer version of a continental climate features an average temperature of at least 22 °C (71.6 °F) in its warmest month. Since these regimes are restricted to the Northern Hemisphere, the warmest month is usually July or August. High temperatures during the warmest month tend to be in

4116-420: The central and northeastern portions of North America , Europe , and Asia . Occasionally, they can also be found at higher elevations above other more temperate climate types. They are rare in the Southern Hemisphere , limited to isolated high altitude locations, due to the larger ocean area at that latitude, smaller land mass, and the consequent greater maritime moderation. In the Northern Hemisphere, some of

4200-459: The classification symbol defines seasonal rainfall as follows: while the third letter denotes the extent of summer heat: Within North America, moisture within this climate regime is supplied by the Great Lakes , Gulf of Mexico and adjacent western subtropical Atlantic . Precipitation is relatively well distributed year-round in many areas with this climate ( f ), while others may see

4284-464: The climate in India. In Pakistan, the cities of Islamabad , Sialkot , Gujranwala and Rawalpindi , among others, feature this weather pattern. Lahore overlaps between being humid subtropical and semi-arid . The annual precipitation in Peshawar is slightly less than required for this classification. In Bangladesh , cities like Rangpur , Saidpur and Dinajpur in the northern region feature

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4368-589: The coast. North of the Cfa climate zone there is a zone centred upon Rockhampton which extends north to the Köppen Cwa classified climate zone of the Atherton Tablelands region. This region has a very pronounced dry winter period, with often negligible rainfall between June and October. Winter temperatures generally only fall slightly below 18 °C (64 °F), which would classify the region as

4452-612: The coastal areas can receive snowfall, which is usually of a short duration. In Rasht , the average temperature in July and August is around 25 °C (77 °F) but with near-saturation humidity , whilst in January and February it is around 7 °C (45 °F). The heavy, evenly distributed rainfall extends north into the Caspian coastal strip of Azerbaijan up to its northern border but this climate in Azerbaijan is, however,

4536-537: The colder continental climates to the north and further inland. As such, the climate can be said to exhibit somewhat different features depending on whether it is found inland, or in a maritime position. In a humid subtropical climate, summers are typically long, hot and humid. A deep current of tropical air dominates the humid subtropics at the time of high sun, and daily intense (but brief) convective thundershowers are common. Monthly mean temperatures in winter may be mild or slightly above freezing. Rainfall often shows

4620-557: The coldest limit of climates classed as humid subtropical. Snowfall varies greatly in this climate zone. In locations at the southern limits of this zone and areas around the Gulf Coast , cities such as Orlando , Tampa , Houston , New Orleans , and Savannah rarely see snowfall, which occurs, at most, a few times per generation. In Southern cities farther north or inland, such as Atlanta , Charlotte , Dallas , Memphis , Nashville , and Raleigh , snow only occasionally falls and

4704-425: The continents either do not penetrate low enough in latitude or taper too much to have any place that gets the combination of snowy winters and hot summers. Marine influences are very strong around 40°S and such preclude Dfa , Dwa , and Dsa climates from existing in the southern hemisphere. Also known as hemiboreal climate , areas featuring this subtype of the continental climate have an average temperature in

4788-499: The cooler, oceanic climates. From Newcastle , approximately 200 kilometres (120 mi) northeast of Sydney, the Cfa zone would extend to inland New South Wales , excluding the highland regions (which have an oceanic climate), stretching towards Dubbo to the northwest and Wagga Wagga to the south, ending at the New South Wales / Victoria border ( Albury-Wodonga ). To note, these places would have characteristics of

4872-667: The form of climate regimes as an alternative way to explain expected changes. For a more comprehensive list, see Continental climate#List of locations with a continental climate . Humid subtropical climate A humid subtropical climate is a temperate climate type characterized by hot and humid summers, and cool to mild winters. These climates normally lie on the southeast side of all continents (except Antarctica), generally between latitudes 25° and 40° and are located poleward from adjacent tropical climates, and equatorward from either humid continental (in North America and Asia) or oceanic climates (in other continents). It

4956-526: The high 20s to low 30s °C (80s °F), while average January afternoon temperatures are near or well below freezing. Frost-free periods typically last 4 to 7 months in this climate regime. Within North America , this climate includes portions of the central and eastern United States from east of 100°W to south of about the 44°N to the Atlantic . Precipitation increases further eastward in this zone and

5040-449: The high elevations of Trans-Mexican Volcanic Belt and Sierra Madre Oriental. Despite being located at higher elevations, these locations have summers that are too warm to qualify as a subtropical highland climate. Guadalajara 's climate is a major example of this. Outside of isolated sections of Mexico, the southernmost limits of this climate zone in North America lie just north of South Florida and around southern coastal Texas. Cities at

5124-439: The humid continental climate covers a much larger area than the hot subtype. In North America, the climate zone covers from about 42°N to 50°N latitude mostly east of 100°W , including parts of Southern Ontario , the southern half of Quebec , The Maritimes , and Newfoundland , as well as the northern United States from eastern North Dakota east to Maine . However, it can be found as far north as 54°N , and further west in

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5208-474: The humid continental climates, typically in around Hokkaido , Sakhalin Island , northeastern mainland Europe , Scandinavia , Nova Scotia , and Newfoundland are closer to the sea and heavily maritime-influenced and comparable to oceanic climates , with relatively cool summers, significant year-round precipitation (including high amounts of snow) and winters being just below the freezing mark (too cold for such

5292-432: The intense surface heating and strong subtropical sun angle. Weak tropical lows that move in from adjacent warm tropical oceans, as well as occasional tropical cyclones often contribute to summer seasonal rainfall peaks. Winter rainfall (and occasional snowfall, especially near the poleward margins) is often associated with large storms in the westerlies that have fronts that reach down into subtropical latitudes. Under

5376-454: The lower Midwest, primarily in the central and southern portions of Kansas and Missouri and the southern portions of Illinois , Indiana and Ohio . In Mexico , there are small areas of Cfa and Cwa climates. The climate can be found in small areas scattered around the northeastern part of the country, in proximity to the Gulf of Mexico . Other areas where the climate can be found is in

5460-551: The margins of the Mediterranean and Black Sea basins. Cfa zones are generally transitional between the Mediterranean climate zones along the coast and oceanic and humid continental zones to the west and north where rainfall in the warmer months is too high for a Mediterranean classification, while temperatures (either in the summer and/or winter) are too warm to qualify as oceanic or humid continental. Summer humidity

5544-435: The monsoon variant ( Cwa ), where rainfall peaks at the monsoon season. Closely resembling the climate patterns of neighboring Northern Indian plains , this region shows a distinct three season pattern- relatively dry and very hot summer (March- early June), extremely wet, cooler Monsoon season (June- September), and mild, foggy winter (Late October- February). Humid subtropical climates can also be found in Nepal . However,

5628-406: The months of December, January, and February. Unlike a good portion of East Asian locations with this climate however, most of Southeast Asia seldom experiences snowfall. These areas tend to feature hot and humid summers and cool and wet winters , with mean temperatures varying between 25 and 30 °C (77 and 86 °F) in summer. Although humid subtropical climates in Asia are mostly confined to

5712-482: The north-east of Spain ( Huesca ), West Macedonia in Greece ( Kozani ). Along the Black Sea coast of Bulgaria ( Varna ), coast of Romania ( Constanța and Mamaia ), Sochi, Russia and Crimea , have summers too warm (>22 °C (72 °F) mean temperature in the warmest month) to qualify as oceanic, no freezing month, and enough summer precipitation and sometimes humid conditions, where they would be fit to be classed under Cfa , though they closely border

5796-437: The northern boundary. The influence of the strong Siberian anticyclone in East Asia brings colder winter temperatures than in the humid subtropical zones in South America, and Australia. The 0 °C (32 °F) isotherm reaches as far south as the valleys of the Yellow and Wei rivers, roughly latitude 34° N . At Hainan Island and in Taiwan, the climate transitions from subtropical into tropical. In most of this region,

5880-448: The northern limit of the humid subtropical zone. The coastal areas in the northern half of the Adriatic Sea also fall within this climate zone. The cities include Trieste , Venice , and Rimini in Italy , Rijeka and Split in Croatia , Koper in Slovenia and Kotor in Montenegro . Other Southern European areas in the Cfa zone include the central valleys and coast of Catalonia of Girona and Barcelona in Spain , some on

5964-724: The northern regions. However, the humid subtropical climates exhibited here typically differ markedly from those in East Asia (and, for that matter, a good portion of the globe). Winters are typically cool to mild (sometimes reaching 0 °C (32 °F)), ranging from humid and foggy in December to dry in February. These winters are followed by a mild spring (March-April). Summers tend to be relatively longer and very hot, starting from mid-April and peaking in June, extending up to July with high temperatures often exceeding 40 °C (104 °F). Summers usually begin dry, complete with dust storms , traits typically associated with arid or semi-arid climates , before eventually transforming into

6048-537: The remnants thereof). Though humidity levels are often high in locations with humid continental climates, the "humid" designation means that the climate is not dry enough to be classified as semi-arid or arid . By definition, forests thrive within this climate. Biomes within this climate regime include temperate woodlands, temperate grasslands, temperate deciduous or evergreen forests, coniferous forests, and coniferous swamps. Within wetter areas, maple , spruce , pine , fir , and oak can be found. Fall foliage

6132-457: The semi-arid and/or Mediterranean climates. Furthermore, the inland Cfa climates generally have drier summers, or at least summers with low humidity. Extreme heat is more often experienced in Sydney than in other large cities in Australia's Cfa zone, especially in the western suburbs , where highs over 40 °C (104 °F) are not uncommon. Frost is prevalent in the more inland areas of Sydney, such as Richmond . Average annual rainfall in

6216-547: The southeastern quarter of the continent, there are two narrow areas along the coast of the Caspian Sea and Black Sea with humid subtropical climates. Summers in these locations are cooler than typical humid subtropical climates and snowfall in winter is relatively common, but is usually of a short duration. In Western Asia , the climate is prevalent in the Gilan , Māzandarān and Golestan Provinces of Iran , in parts of

6300-628: The southern part of the continent. The Cwa climate is found over a large portion of the interior of the Middle and Eastern African regions. This area includes central Angola , northeastern Zimbabwe , the Niassa , Manica and Tete provinces of Mozambique , the southern Congo provinces, southwest Tanzania , and the majority of Malawi , and Zambia . Some lower portions of the Ethiopian Highlands also have this climate. The climate

6384-483: The southernmost limits, such as Tampa and Orlando and along the Texas coast around Corpus Christi down toward Brownsville generally feature warm weather year-round and minimal temperature differences between seasons. In contrast, cities at the northernmost limits of the climate zone such as New York, Philadelphia and Louisville feature hot, humid summers and chilly winters. These areas have average winter temperatures at

6468-532: The steppe ( BSk ) climates. In the eastern and Midwestern United States, Pennsylvania , Ohio , Illinois , Indiana , southern New York , most of Connecticut and Rhode Island , and eastern Massachusetts fall into the hot-summer humid continental climate. In Canada, this climate type exists only over portions of Southern Ontario . In the Eastern Hemisphere, this climate regime is found within interior Eurasia and east-central Asia. Within Europe,

6552-488: The strong Siberian High much colder winter temperatures than similar latitudes around the world, however with lower snowfall, the exception being western Japan with its heavy snowfall. Tōhoku , between Tokyo and Hokkaidō and Western coast of Japan also has a climate with Köppen classification Dfa , but is wetter even than that part of North America with this climate type. A variant which has dry winters and hence relatively lower snowfall with monsoonal type summer rainfall

6636-471: The warmest month 22 °C (72 °F) or higher. However, while some climatologists have opted to describe this climate type as a "humid subtropical climate", Köppen himself never used this term. The humid subtropical climate classification was officially created under the Trewartha climate classification . In this classification, climates are termed humid subtropical when they have at least 8 months with

6720-435: The warmest month below 22 °C (72 °F). Summer high temperatures in this zone typically average between 21–28 °C (70–82 °F) during the daytime and the average temperatures in the coldest month are generally well or far below the −3 °C (27 °F) (or 0 °C (32.0 °F)) isotherm. Frost-free periods typically last 3–5 months. Heat spells lasting over a week are rare. The warm summer version of

6804-696: The wettest month – such as in Jacksonville , Charleston , Mobile , New Orleans, and Virginia Beach. A semblance of a monsoon pattern (dry winters/wet summers) is evident along the Atlantic coast from the Chesapeake Bay region and the Outer Banks south to Florida. The seasonal monsoon is much stronger on the Florida peninsula, as most locations in Florida have dry winters and wet summers. In addition, areas in Texas that are slightly inland from

6888-537: The winter monsoon is very well developed, as such eastern Asian humid subtropical zones have a strong winter dry season and heavy summer rainfall. Only in inland areas below the Yangtze River and coastal areas between approximately the Huai River and the beginning of the coast of Guangdong is there sufficient winter rainfall to produce a Cfa climate; even in these areas, rainfall and streamflow display

6972-627: The world. Urban examples include Bratislava , Budapest , and the Innere Stadt of Vienna . In the Azores , some islands have this climate, with very mild and rainy winters (>13 °C (55 °F)) and no snowfall, warm summers (>21 °C (70 °F)) but with no dry season during the warmest period, which means that they can neither be classified as oceanic , nor as Mediterranean , only as humid subtropical, as with Corvo Island . In many other climate classification systems outside of

7056-455: The −3 °C (27 °F) average temperature isotherm (line of equal temperature) was near the southern extent of winter snowpack . In the United States, it is more common to use the 0 °C [32.0 °F] isotherm instead. The 10 °C (50 °F) average temperature was found to be roughly the minimum temperature necessary for tree reproduction and growth. Wide temperature ranges are common within this climate zone. Second letter in

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