Seattle weather averages

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

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Check Seattle weather averages before you book your next holiday in 2018/2019. Today's maximum temperature in Seattle is expected to be 12°C, while the average maximum temperature in November is 11°C.

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

Seattle weather averages: best month

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

Seattle climate guide

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Seattle weather averages by month

Check Seattle 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 Seattle weather with the USA

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

Maximum daytime temperature (°C)

Seattle, Washington, USA
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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