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Travel guide > America >

Climate and weather of the United States of America



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United States of America




 

Climate

 
The United States have five different climatic zones.

Temperatures are low in winter and high in summer except in the southeast and in the southwest where they vary little throughout the year. Rains fall regularly all year round except in the southwest.

Northwestern coast of the United States
The northwest coast has a temperate climate with four seasons. Rainfall is high (200 rainy days per year).

Winter (December to February)
Temperatures are low (7 to 10°) and rainfall is high. Sunshine is very low (two to three hours a day) because the sky si cloudy most of the time.

Spring (March to June)
Temperatures rise (13° in March, 18° in May) and rainfall is low.

Summer (July to August)
Temperatures reach 25° and rainfall is low. Sunshine is high (nine to ten hours per day).

Autumn (September to November)
Temperatures drop gradually and rainfall is high.

California (southwestern coast of the United States)
California has a Mediterranean climate with four seasons.

Winter (December to February)
Temperatures are mild (14° in the north of California, 20° in the south) and rainfall is moderate. Sunshine ranges between six and eight hours a day.

Spring (March to May)
Temperatures range between 16° in the north and 20° in the south. Rainfall is low.

Summer (June to September)
Temperatures are high (25° on the coast, 30° away from the sea) and rainfall is nonexistent. Sea temperature is constantly cool (17 to 19°). Sunshine is very high (nine to ten hours a day on the coast, twelve to fourteen hours a day in the center and in the east of California).

Autumn (October to November)
Temperatures drop slowly and rainfall is low.

The Rocky Mountains (western United States)
The Rocky mountains have a continental climate with four seasons. Precipitation is low because the western mountains block the moisture-laden clouds.

Winter (December to February)
Temperatures are low in the north (4°) and mild in the south (18°). Rainfall is moderate.

Spring (March to May)
Temperatures rise progressively (13° in March to 23° to May in the north, 23° in March to 33° in May in the south). Rainfall is very low.

Summer (June to September)
Temperatures range from 30° in the north to 40° in the south. Rainfall is nonexistent.

Autumn (October to November)
Temperatures lose ten degrees in the north (20° in October, 10° in November) but they remain high in the south (29°). Rainfall is very low.

Northeastern United States
The northeast of the United States has a continental climate.

Winter (December to February)
Temperatures reach 0° (they sometimes drop up to -20°). Rainfall is moderate. Cold waves and snow storms are frequent in January.

Spring (March to May)
Temperatures rise progressively (10-15° in March, 20-25° in May) and rainfall is moderate.

Summer (June to August)
Temperatures are high (30°) and rainfall is moderate. Sunshine is high (nine to ten hours per day).

Autumn (September to November)
Temperatures drop slowly between September (24°) and November (12°). Rainfall is moderate.

Southeastern United States
The southeast has a subtropical climate with a rainy season and a dry season. Rainfall varies between 1 100 and 1 300 mm per year.

Rainy season (May to October)
Temperatures are high (30 to 34°) and rainfall is abundant. Hurricanes and tornadoes are frequent.

Dry season (November to April)
Temperatures reach 24° in Florida and 20° elsewhere (they drop to 14° in December, January and February everywhere except in Florida where they do not change). Rainfal is low.

 When to go to the United States of America (pleasant climate) 
The climate of the United States of America is pleasant during the following months :

January
February
March
April
May
June
July
August
September
October
November
December

 

Weather

(main cities) 
Average temperatures and rainfall

Washington (Capital of the United States of America)

Temp
January
February
March
April
May
June
max
13°
19°
24°
29°
min
-3°
-2°
13°
19°
Temp
July
August
September
October
November
December
max
31°
30°
26°
20°
14°
min
22°
21°
17°
10°

Rain
January
February
March
April
May
June
mm
70
70
80
70
90
80
Rain
July
August
September
October
November
December
mm
100
100
80
80
80
80

Los Angeles

Temp
January
February
March
April
May
June
max
19°
19°
19°
20°
20°
22°
min
10°
10°
11°
13°
15°
Temp
July
August
September
October
November
December
max
24°
25°
25°
24°
21°
19°
min
17°
18°
17°
15°
11°

Rain
January
February
March
April
May
June
mm
60
60
50
20
...
...
Rain
July
August
September
October
November
December
mm
...
...
10
10
40
40

Weather data (temperatures and precipitation) for the United States of America are derived from monthly averages established over the last twenty years.

United States of America weather (more cities)


 Quick facts 
The United States, a country located in North America, are bordered by Mexico and the Caribbean Sea to the south, by the Pacific Ocean to the west, by Canada to the north and by the Atlantic Ocean to the east.

Capital: Washington
Area: 9 370 000 kmē
Population: 319 000 000 inhabitants
Language: English
Currency: Dollar

United States of America










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