D.C. weather

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The weather guide for D.C. shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

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Which is the hottest month in D.C.?

The hottest time of year in Washington, D.C. is normally July. Expect maximum daytime temperatures to reach 31°C with high heat and humidity.

Which month has the most rain in D.C.?

In terms of rainfall, August is usually the wettest month in Washington, D.C. with 103mm on average. There are normally 9 days in August with some rain.

When is it sunniest in D.C.?

The sunniest time of year in Washington, D.C. is normally June with bright sunshine on average for 63% of daylight hours; that's 9 hours of sunshine per day.

Metric (°C / mm)  |  Imperial (°F / inches)

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Compare D.C. weather with the UK

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

Maximum daytime temperature (°C)

D.C., USA (Washington)
UK (London)
5
7
7
7
13
10
19
13
24
17
29
20
31
22
30
22
26
19
20
15
14
10
8
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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Tropical storm risk: 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

The D.C. tropical storm risk chart above shows the hurricane season for Washington, D.C.. The chart was processed from data supplied by the US Meteorological Agency (NOAA). Find out more about our data sources.

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