Diablo Lake weather in August 2025

Expect 21°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Diablo Lake in August. Check more long-term weather averages for Diablo Lake in August before you book your next holiday to Washington State in 2025/2026.

  • 21°C maximum daytime temperature in August in Diablo Lake21
    21°C max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in August in Diablo Lake9
    9 days with some rainfall
  • 7°C minimum night-time temperature in August in Diablo Lake7
    7°C min night temperature
  • 14 hours of daylight per day in August in Diablo Lake14
    14 hours of daylight per day
  • No heat & humidity in August in Diablo Lake0
    No heat & humidity
  • 42 mm monthly rainfall in August in Diablo Lake42
    42 mm of monthly rainfall
  • UV (maximum) index 7 (High) in August in Diablo Lake7
    7 (High) UV index

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The August weather guide for Washington State (Diablo Lake) 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 Diablo Lake in August?

Daytime temperatures usually reach 21°C in Diablo Lake in August, falling to 7°C at night.

How sunny is it in Diablo Lake in August?

There are normally 8 hours of bright sunshine each day in Diablo Lake in August - that's 57% of daylight hours.

Does it rain in Diablo Lake in August?

There are usually 9 days with some rain in Diablo Lake in August and the average monthly rainfall is 42mm.

Diablo Lake August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:39 19:42
Saturday, 16th August 2025 05:00 19:17
Sunday, 31st August 2025 05:21 18:48

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