Olympia weather in August 2025

Expect 25°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Olympia in August. Check more long-term weather averages for Olympia in August before you book your next holiday to Washington State in 2025/2026.

  • 25°C maximum daytime temperature in August in Olympia25
    25°C max day temperature
  • 9 hours of sunshine per day
  • 6 days with some rainfall in August in Olympia6
    6 days with some rainfall
  • 10°C minimum night-time temperature in August in Olympia10
    10°C min night temperature
  • 14 hours of daylight per day in August in Olympia14
    14 hours of daylight per day
  • No heat & humidity in August in Olympia0
    No heat & humidity
  • 33 mm monthly rainfall in August in Olympia33
    33 mm of monthly rainfall
  • UV (maximum) index 7 (High) in August in Olympia7
    7 (High) UV index

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The August weather guide for Washington State (Olympia) 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.

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

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How hot is it in Olympia in August?

Daytime temperatures usually reach 25°C in Olympia in August with no heat and humidity, falling to 10°C at night.

How sunny is it in Olympia in August?

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

Does it rain in Olympia in August?

There are usually 6 days with some rain in Olympia in August and the average monthly rainfall is 33mm.

Olympia August sunrise & sunset times

Browse the sunrise and sunset times for Olympia in August 2025. Select a month to view Olympia sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:51 19:44
Saturday, 16th August 2025 05:11 19:20
Sunday, 31st August 2025 05:30 18:52

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