Diablo Lake weather in July 2026

Expect daytime maximum temperatures of 70°F in Diablo Lake, Washington State in July based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 1.7 inches of rainfall in the month.

  • 70°F maximum daytime temperature in July in Diablo Lake70
    70°F max day temperature
  • 9 hours of sunshine per day
  • 8 days with some rainfall in July in Diablo Lake8
    8 days with some rainfall
  • 45°F minimum night-time temperature in July in Diablo Lake45
    45°F min night temperature
  • 16 hours of daylight per day in July in Diablo Lake16
    16 hours of daylight per day
  • No heat & humidity in July in Diablo Lake0
    No heat & humidity
  • 1.7 inches monthly rainfall in July in Diablo Lake1.7
    1.7 inches of monthly rainfall
  • UV (maximum) index 7 (High) in July in Diablo Lake7
    7 (High) UV index

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The July 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)  |  Imperial (°F)

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How hot is it in Diablo Lake in July?

Daytime temperatures usually reach 75°F in Diablo Lake in July, falling to 55°F at night.

How sunny is it in Diablo Lake in July?

There are normally 10 hours of bright sunshine each day in Diablo Lake in July - that's 64% of daylight hours.

Does it rain in Diablo Lake in July?

There are usually 5 days with some rain in Diablo Lake in July and the average monthly rainfall is 0.8 inches.

Diablo Lake July sunrise & sunset times

Browse the sunrise and sunset times for Diablo Lake in July 2026. Select a month to view Diablo Lake sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st July 2026 04:06 20:11
Thursday, 16th July 2026 04:19 20:01
Friday, 31st July 2026 04:37 19:44

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