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 Form 2 Geography Lessons on Climate

In this lesson we are going to discuss the cool climates of the world

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Answer Text:
Cool Climates
They differ from warm climates
by having definite seasonal
variations in temperature.
Subdivided into:
1. Cool Temperate Western
Margin
2. Cool Temperate Continental
Interior
3. Cool Temperate Eastern
Margin
Cool Temperate Western
Margin Climate
- Also known as British Type.
It’s under coastal influence.
- Found in the following areas:
(a) British Isles (Island)
(b) Central and N.W Europe
(c) N.W U.S.A. and British
Columbia in Canada.
(d) S. Chile
(e) Tasmania in Australia
Characteristics
• Warm summers (13-15◦c).
• Cool winters (2-7◦c).
• Small temperature range.
• Well distributed rainfall
throughout the year (760-
2000mm).
• Cyclonic rainfall in the coastal
lands and relief rainfall in
mountainous areas.
• High humidity in winters.
• Long summer days with
irregular thunderstorms.
• Convergence of sub-tropical
and polar air masses.
• Onshore westerly winds are
dominant.
Cool Temperate Continental
Interior Climate
- Also called Siberian type.
- Found in the following areas:
(a) Alaska and most of Canada
(b) Eurasia covering Sweden,
Finland, Poland, Germany,
across former U.S.S.R. up to
Kamchatka Peninsular in the
east.
Characteristics
• Warm summers with
temperatures of about 18◦c.
• Generally short summers.
• Extremely cold winter
temperatures which go below
20◦c.
• Long winters with long nights.
• Precipitation is mainly in form
of snow during winter (annual
precipitation 400-500mm).
• Convectional rainfall in
summer is accompanied by
thunderstorms.
Cool Temperate Western
Margin Climate
It’s also known as Laurentian
Type.
Areas:
(a) N. U.S.A. and S Canada.
(b) S. Argentina.
(c) N & S Korea, N. China, C
and N Japan and E. Siberia.
Characteristics
- Long warm summers with
temperatures of about 18◦c.
- Cold winters (-40-0◦c).
- Precipitation all year round
(600-1000mm).
- Snow precipitation in winter.
- High humidity in summer


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