Washington weather averages

Going to Washington? Find the best month to visit Washington based on the weather.

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Check Washington weather averages before you book your next holiday in 2018/2019. Today's maximum temperature in Washington is expected to be 23°C, while the average maximum temperature in July is 24°C. The holiday weather guide shown above is for Seattle.

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More about Washington

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

Washington weather averages: best month

Washington Best month Averages
Warmest July & August 24°C
Sunniest July 10 hours per day
Least rain July 5 days

Washington climate guide

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Washington weather averages by month

Check Washington holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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Compare Washington weather with the USA

Below the Washington weather chart shows maximum daytime temperature for Washington, USA (Seattle) and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.

Maximum daytime temperature (°C)

Washington, USA (Seattle)
USA (Washington)
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Metric (°C / mm)  |  Imperial (°F / inches)

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More Washington destinations

All destinations (A to Z)

Can't see your chosen destination? Use our A to Z search to find your required the holiday weather guide:

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