The Climates of North America

The Continent of North America is quite a bigWarm Winters and Cool Summers
continent. It is very extensive in the North-SouthThe west cost area below 40 North enjoys a climate
direction. . Queen Elizabeth Islands in the extreme Northwhich is of Mediterranean type. The areas have a
are beyond 80 degrees North while the Panama Canalbeautiful warm and sunny summer and a wet and
area is less than 10 degrees North of Latitude. Thisvery mild winter. The cities of San Francisco and Los
extensiveness has created many distinct climate typesAngeles in California belong to this group . The region
wherein the climatic conditions are more or lesshas no extremes of climate. The mean max for the
uniform. I shall discuss each of them one by one.hottest month is 63 F (17 C) at San Francisco and 69
Very Cold Winters and Cold SummersF (21 C ) at Los Angeles. The winter means being 49
The areas falling under this category are the NorthernF (9 C) and 57 (14 C ) respectively. As typical of
parts of Canada and the State of Alaska. TheseMediterranean climate, winter has appreciable rainfall
regions are extremely cold in winter with more than sixand summers are warm and very dry indeed. At San
months below 32 F ( 0 C) . For instance Mould Bay inFrancisco, four months from June to September have
the North-West Territory of Canada has nine andless than 0.5 in ( 13 mm ) of rainfall while rainfall of June
Point Barrow in US both has eight months below zero.is practically Nil. On the other hand the average of Jan
The summers are cold usually less than 41 F ( 5 C) .is 4 in. (100 mm). Similarly at Los Angeles we find six
At point Barrow the hottest month is July withmonths from May to October with rainfall less than 0.5
temperature of 40 F ( 4.4 C) at Mould Bay it is alsoinch. Such a small amount of rain fall in summer is not
July with a temperature of just 38 F ( 3 C ). The rainfallfound any where in North America except in desert
is very scanty indeed .Point Barrow records a totalregions which we shall shortly discuss.
annual rainfall of just 4.2 in ( 100 mm) and at Mould BayWarm Winters and Warm Summers
it is 2.6 in ( 65 mm) . The range i.e., the difference inThis climate zone covers a vast area and includes
temperatures between the hottest and coldest monthSouth East United States , coastal Mexico, the
is however enormous. At Point barrow it is 57 F atCaribbean, and Latin America right up to Panama. The
Mould Bay it is 70 F. Due to high latitudinal position thepeculiar feature of these areas is high temperature
days are very long in summer and nights very shortaround 80 F ( 27 C ) throughout the year and heavy
while it is other way round in winter.rainfall through out the year. There is no winter season
Cold Winters and Cool Summersbut the summers are not as hot as those of deserts
This includes a major part of Canada and Northof North America and Mexico . The temperatures are
Central U.S . These have cold winters with cooluniformly high throughout the year. Miami in Florida for
summers . The cities in this region usually have 3 to 6example has the coolest month at 68 F ( 20 C) and
months below zero and in summer the temperature asthe hottest is 82 (28 C ) thus a range of only 14 is
a rule does not rise above 65 F (18 C). The annual rainthere . Compare it with the stations found in the first
is moderate and is maximum in summer.. To takecategory above. Total annual rainfall for Miami is 60 in.
examples, Calgary in Canada has a high temperature(1600 mm ) which is quite high. Constant high
in summer of 62 F ( 17 C) and has five months belowtemperature through out the year with high humidity
32 F ( 0 C) and has a total annual rainfall of 17in. (425and rainfall makes the climate monotonous . However
mm ) with a maxima of 3 in.( 75 mm) in July. Duluth ,since in winter it is a pleasant respite from the cold of
Minnesota in US also has five months below zerothe northern states of U.S so it is a popular tourist
Celsius and high of 65 F ( 17 C ) in summer. The totalresort.
annual rainfall is 26 inches or 650 mm ( showing aCool Winters and Warm Summers
maximum in June of 4 in or 100 mm). The annual rangeThe cities of New York, Boston , Philadelphia and
of temperature is enormous ; 49 at Calgary and 57 atPittsburg etc fall under this category. The winters are
Duluth.quite cool; mean for the coldest month for New York
Cold Winters and Warm Summersand Pittsburg is 31 F (-1 C) . The summer high at both
This includes much of the Central United States. Asthe places is 74 F (23 C ). The peculiar feature of this
the area is very far off from either the Atlantic or thetype of climate is rain throughout the year and
Pacific Ocean so it exhibits the typical Continental typeespecially in the summer months. Sometimes the high
of climate with warm summers and cold winters withhumidity of New York after a heavy downpour in
a tendency towards high summer rainfall. Consider forsummer makes the weather quite unpleasant. The
example the climate pattern of Chicago. Although itclimate differs from the one with warm winter and
has a Jan. mean of 24 F (-4.4 C) which is quite coldwarm summer in the sense that the former has no
but has a high of 73 F ( 22 C ) in July -a range of 39cold season while this type has a well-defined cold
.The total annual rainfall is 40 inches (1000 mm) with aseason with snow but the summers are quite warm.
max of 3.5 inch ( 89 mm) . in September. These areasThe winters despite being cold are however saved
get bitterly cold air from Canada to the north in winterfrom the intensely cold winds of the interior of Canada
while in summer there remoteness from the sea risesdue to somewhat moderating influence of the Atlantic
the temperatures.ocean, although the influence is not as great as of the
Cool Winters and Cool SummersCalifornian coast which enjoys very mild winters.
The areas located on the Pacific coastline of CanadaMild Winters and Hot Summers
and North- West US experience this type of Climate.This climatic regions covers the South Western United
In winter when almost whole of Canada is under theStates, and the heart of Mexico . Nowwhere in the
influence of very cold wind from the north , the warmregion the summer temperature is less than 90 F (32
pacific current coastline of Canada and NorthwesternC ) and at Death Valley in Arizona temperatures upto
coastline of U.S has quite a comfortable winter134 F ( 56 C ) have bee recorded. . Indeed these are
temperature. Warm current of Pacific Ocean keepsthe hottest places on earth after Sahara. Only Mexico
the temperate equable. The typical example isCity is spared the ferocity of heat due its high
Vancouver in British Colombia, Canada . Althoughelevation other wise whole region bakes in intense
Vancouver lies at a Latitude of 60 degrees North but itsunlight in summer. The rainfall is also very scanty and
is amazing that it has no freezing month and theuncertain. In whole of the region no where does the
coldest month is Jan. having a temperature of 36 F (2rain fall figure for the year rises above 10 inches ( 250
C ) . The summers are also cool with the temperaturemm ). The population is sparse since it is the most
of 64 F (17 C ) in July. The rainfall is abundant with ainhospitable climate of all in North America.
winter maxima as opposed to the continental climateThis in short is an overview of different climatic regions
described above. The total annual rainfall forfound in North America . It is not extensive but does
Vancouver is 57 inches (1400 mm ) with a maximumgive the reader a general idea about different climates
of 9 inches (229mm ) in January.found in this part of the world.