Washington State weather in August 2022

  • 24°C maximum daytime temperature in August in Washington State (Seattle)24
    24°C max day temperature
  • 9 hours of sunshine per day
  • 6 days with some rainfall in August in Washington State (Seattle)6
    6 days with some rainfall
  • 13°C minimum night-time temperature in August in Washington State (Seattle)13
    13°C min night temperature
  • 14 hours of daylight per day in August in Washington State (Seattle)14
    14 hours of daylight per day
  • No heat & humidity in August in Washington State (Seattle)0
    No heat & humidity
  • 31 mm monthly rainfall in August in Washington State (Seattle)31
    31 mm of monthly rainfall
  • UV (maximum) index 6 (High) in August in Washington State (Seattle)6
    6 (High) UV index

Below are average maximum temperatures at popular destinations in Washington State in August. Select a destination to see more weather parameters.

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Recommended for Washington State

The August weather guide for Washington State (Seattle) shows long term 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.

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

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How hot is it in Washington State in August?

Daytime temperatures usually reach 24°C in Seattle, Washington State in August, falling to 13°C at night.

How sunny is it in Washington State in August?

There are normally 9 hours of bright sunshine each day in Seattle, Washington State in August - that's 63% of daylight hours.

Does it rain in Washington State in August?

There are usually 6 days with some rain in Seattle, Washington State in August and the average monthly rainfall is 31mm.

Washington State August sunrise & sunset times

Browse the sunrise and sunset times for Washington State in August 2022. Select a month to view Washington State sunrise and sunset times for the next 12 months. The Washington State sunrise and sunset times shown below are for Seattle.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st August 2022 05:47 20:43
Tuesday, 16th August 2022 06:07 20:19
Wednesday, 31st August 2022 06:27 19:51

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