Washington weather by month

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

Temperature in Washington (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
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
Min temperature (night-time)
25°F minimum night-time temperature in January in Washington25
27°F minimum night-time temperature in February in Washington27
36°F minimum night-time temperature in March in Washington36
45°F minimum night-time temperature in April in Washington45
54°F minimum night-time temperature in May in Washington54
63°F minimum night-time temperature in June in Washington63
68°F minimum night-time temperature in July in Washington68
68°F minimum night-time temperature in August in Washington68
59°F minimum night-time temperature in September in Washington59
48°F minimum night-time temperature in October in Washington48
39°F minimum night-time temperature in November in Washington39
30°F minimum night-time temperature in December in Washington30
Heat & Humidity
No heat & humidity in January in Washington0
No heat & humidity in February in Washington0
No heat & humidity in March in Washington0
No heat & humidity in April in Washington0
No heat & humidity in May in Washington0
Moderate heat & humidity in June in WashingtonM
High heat & humidity in July in WashingtonH
High heat & humidity in August in WashingtonH
Low heat & humidity in September in WashingtonL
No heat & humidity in October in Washington0
No heat & humidity in November in Washington0
No heat & humidity in December in Washington0

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

Sunshine & Daylight in Washington

  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 Washington10
11 hours of daylight per day in February in Washington11
12 hours of daylight per day in March in Washington12
13 hours of daylight per day in April in Washington13
14 hours of daylight per day in May in Washington14
15 hours of daylight per day in June in Washington15
15 hours of daylight per day in July in Washington15
14 hours of daylight per day in August in Washington14
12 hours of daylight per day in September in Washington12
11 hours of daylight per day in October in Washington11
10 hours of daylight per day in November in Washington10
9 hours of daylight per day in December in Washington9
UV Index (Maximum)
UV (maximum) index 2 (Low) in January in Washington2
UV (maximum) index 3 (Moderate) in February in Washington3
UV (maximum) index 5 (Moderate) in March in Washington5
UV (maximum) index 7 (High) in April in Washington7
UV (maximum) index 8 (Very High) in May in Washington8
UV (maximum) index 9 (Very High) in June in Washington9
UV (maximum) index 9 (Very High) in July in Washington9
UV (maximum) index 8 (Very High) in August in Washington8
UV (maximum) index 7 (High) in September in Washington7
UV (maximum) index 4 (Moderate) in October in Washington4
UV (maximum) index 3 (Moderate) in November in Washington3
UV (maximum) index 2 (Low) in December in Washington2

Rainfall in Washington

  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 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
Average monthly rainfall (inches)
2.8 inches monthly rainfall in January in Washington2.8
2.8 inches monthly rainfall in February in Washington2.8
3.3 inches monthly rainfall in March in Washington3.3
3.0 inches monthly rainfall in April in Washington3.0
3.8 inches monthly rainfall in May in Washington3.8
3.5 inches monthly rainfall in June in Washington3.5
3.9 inches monthly rainfall in July in Washington3.9
4.1 inches monthly rainfall in August in Washington4.1
3.4 inches monthly rainfall in September in Washington3.4
3.1 inches monthly rainfall in October in Washington3.1
3.3 inches monthly rainfall in November in Washington3.3
3.2 inches monthly rainfall in December in Washington3.2

More about Washington

Washington by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for D.C., represented by Washington, (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.

What's the climate like in Washington?

Washington has a temperate climate with hot summers and some rainfall in all months.

Metric (°C)  |  Imperial (°F)

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Tropical storm risk: Washington, 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

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More about the USA

Compare Washington with the UK

Below the Washington chart shows average maximum daytime temperature for Washington, D.C., USA and the UK (London).

Maximum daytime temperature (°F)

Washington, D.C., USA
UK (London)
41
45
45
45
55
50
66
55
75
63
84
68
88
72
86
72
79
66
68
59
57
50
46
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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