USA weather by month

Check out the USA weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum daytime temperature °F
41°F maximum daytime temperature in January in Washington41
45°F maximum daytime temperature in February in Washington45
55°F maximum daytime temperature in March in Washington55
66°F maximum daytime temperature in April in Washington66
75°F maximum daytime temperature in May in Washington75
84°F maximum daytime temperature in June in Washington84
88°F maximum daytime temperature in July in Washington88
86°F maximum daytime temperature in August in Washington86
79°F maximum daytime temperature in September in Washington79
68°F maximum daytime temperature in October in Washington68
57°F maximum daytime temperature in November in Washington57
46°F maximum daytime temperature in December in Washington46
Hours of sunshine (daily)
Days with some rainfall
10 days with some rainfall in January in Washington10
10 days with some rainfall in February in Washington10
10 days with some rainfall in March in Washington10
10 days with some rainfall in April in Washington10
11 days with some rainfall in May in Washington11
10 days with some rainfall in June in Washington10
10 days with some rainfall in July in Washington10
9 days with some rainfall in August in Washington9
7 days with some rainfall in September in Washington7
7 days with some rainfall in October in Washington7
9 days with some rainfall in November in Washington9
9 days with some rainfall in December in Washington9

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USA by month

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The climate guide for USA (Washington) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

USA temperature by month

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Alaska
21°F maximum daytime temperature in January in Alaska21
27°F maximum daytime temperature in February in Alaska27
32°F maximum daytime temperature in March in Alaska32
43°F maximum daytime temperature in April in Alaska43
54°F maximum daytime temperature in May in Alaska54
61°F maximum daytime temperature in June in Alaska61
66°F maximum daytime temperature in July in Alaska66
63°F maximum daytime temperature in August in Alaska63
55°F maximum daytime temperature in September in Alaska55
41°F maximum daytime temperature in October in Alaska41
27°F maximum daytime temperature in November in Alaska27
21°F maximum daytime temperature in December in Alaska21
California
68°F maximum daytime temperature in January in California68
68°F maximum daytime temperature in February in California68
70°F maximum daytime temperature in March in California70
72°F maximum daytime temperature in April in California72
73°F maximum daytime temperature in May in California73
79°F maximum daytime temperature in June in California79
84°F maximum daytime temperature in July in California84
86°F maximum daytime temperature in August in California86
82°F maximum daytime temperature in September in California82
79°F maximum daytime temperature in October in California79
72°F maximum daytime temperature in November in California72
68°F maximum daytime temperature in December in California68
Florida
75°F maximum daytime temperature in January in Florida75
75°F maximum daytime temperature in February in Florida75
77°F maximum daytime temperature in March in Florida77
81°F maximum daytime temperature in April in Florida81
84°F maximum daytime temperature in May in Florida84
86°F maximum daytime temperature in June in Florida86
88°F maximum daytime temperature in July in Florida88
88°F maximum daytime temperature in August in Florida88
88°F maximum daytime temperature in September in Florida88
84°F maximum daytime temperature in October in Florida84
81°F maximum daytime temperature in November in Florida81
75°F maximum daytime temperature in December in Florida75
Hawaii
79°F maximum daytime temperature in January in Hawaii79
79°F maximum daytime temperature in February in Hawaii79
79°F maximum daytime temperature in March in Hawaii79
81°F maximum daytime temperature in April in Hawaii81
82°F maximum daytime temperature in May in Hawaii82
84°F maximum daytime temperature in June in Hawaii84
84°F maximum daytime temperature in July in Hawaii84
86°F maximum daytime temperature in August in Hawaii86
86°F maximum daytime temperature in September in Hawaii86
84°F maximum daytime temperature in October in Hawaii84
82°F maximum daytime temperature in November in Hawaii82
79°F maximum daytime temperature in December in Hawaii79
Washington D.C.
41°F maximum daytime temperature in January in Washington D.C.41
45°F maximum daytime temperature in February in Washington D.C.45
55°F maximum daytime temperature in March in Washington D.C.55
66°F maximum daytime temperature in April in Washington D.C.66
75°F maximum daytime temperature in May in Washington D.C.75
84°F maximum daytime temperature in June in Washington D.C.84
88°F maximum daytime temperature in July in Washington D.C.88
86°F maximum daytime temperature in August in Washington D.C.86
79°F maximum daytime temperature in September in Washington D.C.79
68°F maximum daytime temperature in October in Washington D.C.68
57°F maximum daytime temperature in November in Washington D.C.57
46°F maximum daytime temperature in December in Washington D.C.46
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Atlanta
50°F maximum daytime temperature in January in Atlanta50
55°F maximum daytime temperature in February in Atlanta55
64°F maximum daytime temperature in March in Atlanta64
73°F maximum daytime temperature in April in Atlanta73
79°F maximum daytime temperature in May in Atlanta79
86°F maximum daytime temperature in June in Atlanta86
88°F maximum daytime temperature in July in Atlanta88
88°F maximum daytime temperature in August in Atlanta88
82°F maximum daytime temperature in September in Atlanta82
73°F maximum daytime temperature in October in Atlanta73
63°F maximum daytime temperature in November in Atlanta63
54°F maximum daytime temperature in December in Atlanta54
Boston
34°F maximum daytime temperature in January in Boston34
37°F maximum daytime temperature in February in Boston37
46°F maximum daytime temperature in March in Boston46
57°F maximum daytime temperature in April in Boston57
68°F maximum daytime temperature in May in Boston68
77°F maximum daytime temperature in June in Boston77
82°F maximum daytime temperature in July in Boston82
81°F maximum daytime temperature in August in Boston81
73°F maximum daytime temperature in September in Boston73
63°F maximum daytime temperature in October in Boston63
52°F maximum daytime temperature in November in Boston52
39°F maximum daytime temperature in December in Boston39
Chicago
30°F maximum daytime temperature in January in Chicago30
34°F maximum daytime temperature in February in Chicago34
46°F maximum daytime temperature in March in Chicago46
59°F maximum daytime temperature in April in Chicago59
70°F maximum daytime temperature in May in Chicago70
81°F maximum daytime temperature in June in Chicago81
84°F maximum daytime temperature in July in Chicago84
82°F maximum daytime temperature in August in Chicago82
75°F maximum daytime temperature in September in Chicago75
63°F maximum daytime temperature in October in Chicago63
48°F maximum daytime temperature in November in Chicago48
36°F maximum daytime temperature in December in Chicago36
Denver
43°F maximum daytime temperature in January in Denver43
46°F maximum daytime temperature in February in Denver46
52°F maximum daytime temperature in March in Denver52
63°F maximum daytime temperature in April in Denver63
72°F maximum daytime temperature in May in Denver72
81°F maximum daytime temperature in June in Denver81
88°F maximum daytime temperature in July in Denver88
86°F maximum daytime temperature in August in Denver86
77°F maximum daytime temperature in September in Denver77
66°F maximum daytime temperature in October in Denver66
54°F maximum daytime temperature in November in Denver54
45°F maximum daytime temperature in December in Denver45
Grand Canyon
46°F maximum daytime temperature in January in Grand Canyon46
52°F maximum daytime temperature in February in Grand Canyon52
57°F maximum daytime temperature in March in Grand Canyon57
66°F maximum daytime temperature in April in Grand Canyon66
77°F maximum daytime temperature in May in Grand Canyon77
88°F maximum daytime temperature in June in Grand Canyon88
91°F maximum daytime temperature in July in Grand Canyon91
90°F maximum daytime temperature in August in Grand Canyon90
82°F maximum daytime temperature in September in Grand Canyon82
72°F maximum daytime temperature in October in Grand Canyon72
57°F maximum daytime temperature in November in Grand Canyon57
48°F maximum daytime temperature in December in Grand Canyon48
Las Vegas
57°F maximum daytime temperature in January in Las Vegas57
64°F maximum daytime temperature in February in Las Vegas64
70°F maximum daytime temperature in March in Las Vegas70
77°F maximum daytime temperature in April in Las Vegas77
88°F maximum daytime temperature in May in Las Vegas88
99°F maximum daytime temperature in June in Las Vegas99
106°F maximum daytime temperature in July in Las Vegas106
102°F maximum daytime temperature in August in Las Vegas102
95°F maximum daytime temperature in September in Las Vegas95
82°F maximum daytime temperature in October in Las Vegas82
68°F maximum daytime temperature in November in Las Vegas68
57°F maximum daytime temperature in December in Las Vegas57
Los Angeles
68°F maximum daytime temperature in January in Los Angeles68
68°F maximum daytime temperature in February in Los Angeles68
70°F maximum daytime temperature in March in Los Angeles70
72°F maximum daytime temperature in April in Los Angeles72
73°F maximum daytime temperature in May in Los Angeles73
79°F maximum daytime temperature in June in Los Angeles79
84°F maximum daytime temperature in July in Los Angeles84
86°F maximum daytime temperature in August in Los Angeles86
82°F maximum daytime temperature in September in Los Angeles82
79°F maximum daytime temperature in October in Los Angeles79
72°F maximum daytime temperature in November in Los Angeles72
68°F maximum daytime temperature in December in Los Angeles68
Miami
75°F maximum daytime temperature in January in Miami75
75°F maximum daytime temperature in February in Miami75
77°F maximum daytime temperature in March in Miami77
81°F maximum daytime temperature in April in Miami81
84°F maximum daytime temperature in May in Miami84
86°F maximum daytime temperature in June in Miami86
88°F maximum daytime temperature in July in Miami88
88°F maximum daytime temperature in August in Miami88
88°F maximum daytime temperature in September in Miami88
84°F maximum daytime temperature in October in Miami84
81°F maximum daytime temperature in November in Miami81
75°F maximum daytime temperature in December in Miami75
Nashville
46°F maximum daytime temperature in January in Nashville46
50°F maximum daytime temperature in February in Nashville50
61°F maximum daytime temperature in March in Nashville61
72°F maximum daytime temperature in April in Nashville72
79°F maximum daytime temperature in May in Nashville79
86°F maximum daytime temperature in June in Nashville86
90°F maximum daytime temperature in July in Nashville90
88°F maximum daytime temperature in August in Nashville88
82°F maximum daytime temperature in September in Nashville82
72°F maximum daytime temperature in October in Nashville72
61°F maximum daytime temperature in November in Nashville61
50°F maximum daytime temperature in December in Nashville50
New Orleans
61°F maximum daytime temperature in January in New Orleans61
64°F maximum daytime temperature in February in New Orleans64
72°F maximum daytime temperature in March in New Orleans72
79°F maximum daytime temperature in April in New Orleans79
84°F maximum daytime temperature in May in New Orleans84
90°F maximum daytime temperature in June in New Orleans90
91°F maximum daytime temperature in July in New Orleans91
90°F maximum daytime temperature in August in New Orleans90
86°F maximum daytime temperature in September in New Orleans86
81°F maximum daytime temperature in October in New Orleans81
72°F maximum daytime temperature in November in New Orleans72
64°F maximum daytime temperature in December in New Orleans64
New York City
37°F maximum daytime temperature in January in New York City37
39°F maximum daytime temperature in February in New York City39
48°F maximum daytime temperature in March in New York City48
61°F maximum daytime temperature in April in New York City61
70°F maximum daytime temperature in May in New York City70
79°F maximum daytime temperature in June in New York City79
84°F maximum daytime temperature in July in New York City84
82°F maximum daytime temperature in August in New York City82
75°F maximum daytime temperature in September in New York City75
64°F maximum daytime temperature in October in New York City64
54°F maximum daytime temperature in November in New York City54
43°F maximum daytime temperature in December in New York City43
Orlando
70°F maximum daytime temperature in January in Orlando70
72°F maximum daytime temperature in February in Orlando72
77°F maximum daytime temperature in March in Orlando77
82°F maximum daytime temperature in April in Orlando82
88°F maximum daytime temperature in May in Orlando88
90°F maximum daytime temperature in June in Orlando90
91°F maximum daytime temperature in July in Orlando91
91°F maximum daytime temperature in August in Orlando91
90°F maximum daytime temperature in September in Orlando90
84°F maximum daytime temperature in October in Orlando84
77°F maximum daytime temperature in November in Orlando77
73°F maximum daytime temperature in December in Orlando73
Philadelphia
37°F maximum daytime temperature in January in Philadelphia37
41°F maximum daytime temperature in February in Philadelphia41
52°F maximum daytime temperature in March in Philadelphia52
63°F maximum daytime temperature in April in Philadelphia63
73°F maximum daytime temperature in May in Philadelphia73
82°F maximum daytime temperature in June in Philadelphia82
86°F maximum daytime temperature in July in Philadelphia86
84°F maximum daytime temperature in August in Philadelphia84
77°F maximum daytime temperature in September in Philadelphia77
66°F maximum daytime temperature in October in Philadelphia66
55°F maximum daytime temperature in November in Philadelphia55
43°F maximum daytime temperature in December in Philadelphia43
San Francisco
55°F maximum daytime temperature in January in San Francisco55
61°F maximum daytime temperature in February in San Francisco61
61°F maximum daytime temperature in March in San Francisco61
63°F maximum daytime temperature in April in San Francisco63
64°F maximum daytime temperature in May in San Francisco64
66°F maximum daytime temperature in June in San Francisco66
68°F maximum daytime temperature in July in San Francisco68
68°F maximum daytime temperature in August in San Francisco68
72°F maximum daytime temperature in September in San Francisco72
70°F maximum daytime temperature in October in San Francisco70
63°F maximum daytime temperature in November in San Francisco63
57°F maximum daytime temperature in December in San Francisco57
Seattle
45°F maximum daytime temperature in January in Seattle45
50°F maximum daytime temperature in February in Seattle50
54°F maximum daytime temperature in March in Seattle54
57°F maximum daytime temperature in April in Seattle57
64°F maximum daytime temperature in May in Seattle64
70°F maximum daytime temperature in June in Seattle70
75°F maximum daytime temperature in July in Seattle75
75°F maximum daytime temperature in August in Seattle75
70°F maximum daytime temperature in September in Seattle70
61°F maximum daytime temperature in October in Seattle61
52°F maximum daytime temperature in November in Seattle52
46°F maximum daytime temperature in December in Seattle46

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USA weather averages by month

Temperature in USA (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
41°F maximum daytime temperature in January in USA (Washington)41
45°F maximum daytime temperature in February in USA (Washington)45
55°F maximum daytime temperature in March in USA (Washington)55
66°F maximum daytime temperature in April in USA (Washington)66
75°F maximum daytime temperature in May in USA (Washington)75
84°F maximum daytime temperature in June in USA (Washington)84
88°F maximum daytime temperature in July in USA (Washington)88
86°F maximum daytime temperature in August in USA (Washington)86
79°F maximum daytime temperature in September in USA (Washington)79
68°F maximum daytime temperature in October in USA (Washington)68
57°F maximum daytime temperature in November in USA (Washington)57
46°F maximum daytime temperature in December in USA (Washington)46
Min temperature (night-time)
25°F minimum night-time temperature in January in USA (Washington)25
27°F minimum night-time temperature in February in USA (Washington)27
36°F minimum night-time temperature in March in USA (Washington)36
45°F minimum night-time temperature in April in USA (Washington)45
54°F minimum night-time temperature in May in USA (Washington)54
63°F minimum night-time temperature in June in USA (Washington)63
68°F minimum night-time temperature in July in USA (Washington)68
68°F minimum night-time temperature in August in USA (Washington)68
59°F minimum night-time temperature in September in USA (Washington)59
48°F minimum night-time temperature in October in USA (Washington)48
39°F minimum night-time temperature in November in USA (Washington)39
30°F minimum night-time temperature in December in USA (Washington)30
Heat & Humidity
No heat & humidity in January in USA (Washington)0
No heat & humidity in February in USA (Washington)0
No heat & humidity in March in USA (Washington)0
No heat & humidity in April in USA (Washington)0
No heat & humidity in May in USA (Washington)0
Moderate heat & humidity in June in USA (Washington)M
High heat & humidity in July in USA (Washington)H
High heat & humidity in August in USA (Washington)H
Low heat & humidity in September in USA (Washington)L
No heat & humidity in October in USA (Washington)0
No heat & humidity in November in USA (Washington)0
No heat & humidity in December in USA (Washington)0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in USA

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
10 hours of daylight per day in January in USA (Washington)10
11 hours of daylight per day in February in USA (Washington)11
12 hours of daylight per day in March in USA (Washington)12
13 hours of daylight per day in April in USA (Washington)13
14 hours of daylight per day in May in USA (Washington)14
15 hours of daylight per day in June in USA (Washington)15
15 hours of daylight per day in July in USA (Washington)15
14 hours of daylight per day in August in USA (Washington)14
12 hours of daylight per day in September in USA (Washington)12
11 hours of daylight per day in October in USA (Washington)11
10 hours of daylight per day in November in USA (Washington)10
9 hours of daylight per day in December in USA (Washington)9
UV Index (Maximum)
UV (maximum) index 2 (Low) in January in USA (Washington)2
UV (maximum) index 3 (Moderate) in February in USA (Washington)3
UV (maximum) index 5 (Moderate) in March in USA (Washington)5
UV (maximum) index 7 (High) in April in USA (Washington)7
UV (maximum) index 8 (Very High) in May in USA (Washington)8
UV (maximum) index 9 (Very High) in June in USA (Washington)9
UV (maximum) index 9 (Very High) in July in USA (Washington)9
UV (maximum) index 8 (Very High) in August in USA (Washington)8
UV (maximum) index 7 (High) in September in USA (Washington)7
UV (maximum) index 4 (Moderate) in October in USA (Washington)4
UV (maximum) index 3 (Moderate) in November in USA (Washington)3
UV (maximum) index 2 (Low) in December in USA (Washington)2

Rainfall in USA

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
10 days with some rainfall in January in USA (Washington)10
10 days with some rainfall in February in USA (Washington)10
10 days with some rainfall in March in USA (Washington)10
10 days with some rainfall in April in USA (Washington)10
11 days with some rainfall in May in USA (Washington)11
10 days with some rainfall in June in USA (Washington)10
10 days with some rainfall in July in USA (Washington)10
9 days with some rainfall in August in USA (Washington)9
7 days with some rainfall in September in USA (Washington)7
7 days with some rainfall in October in USA (Washington)7
9 days with some rainfall in November in USA (Washington)9
9 days with some rainfall in December in USA (Washington)9
Average monthly rainfall (inches)
2.8 inches monthly rainfall in January in USA (Washington)2.8
2.8 inches monthly rainfall in February in USA (Washington)2.8
3.3 inches monthly rainfall in March in USA (Washington)3.3
3.0 inches monthly rainfall in April in USA (Washington)3.0
3.8 inches monthly rainfall in May in USA (Washington)3.8
3.5 inches monthly rainfall in June in USA (Washington)3.5
3.9 inches monthly rainfall in July in USA (Washington)3.9
4.1 inches monthly rainfall in August in USA (Washington)4.1
3.4 inches monthly rainfall in September in USA (Washington)3.4
3.1 inches monthly rainfall in October in USA (Washington)3.1
3.3 inches monthly rainfall in November in USA (Washington)3.3
3.2 inches monthly rainfall in December in USA (Washington)3.2

Tropical storm risk: USA, D.C. hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
0
1.2%
2.4%
0
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Compare USA weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for USA (Washington) and the UK (London).

Maximum daytime temperature (°F)

USA (Washington)
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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