Washington weather

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Usually in September
- 26
- 15
- 7
Weather by month
Now Today
- 26
- 1
5-day forecast

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The weather guide for Washington, 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.

Which is the hottest month in Washington?

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

Which month has the most rain in Washington?

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

When is it sunniest in Washington?

The sunniest time of year in Washington 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)

Compare Washington weather with the UK

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

Maximum daytime temperature (°C)

Washington, D.C., USA

UK (London)

Jan

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Dec

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

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

% of month affected by tropical storms

1.2%

2.4%

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

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

More about tropical storms