Diablo Lake weather in July 2025

Expect 70°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Diablo Lake in July. Check more long-term weather averages for Diablo Lake in July before you book your next holiday to Washington State in 2025/2026.

  • 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

More about Diablo Lake

Diablo Lake by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Washington State

  • Kids stay & eat for free at Marriot Bonvoy
  • Destinations include Europe, Middle East & Africa
  • Valid for up to 2 adults & 2 kids aged up to 12

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 70°F in Diablo Lake in July, falling to 45°F at night.

How sunny is it in Diablo Lake in July?

There are normally 9 hours of bright sunshine each day in Diablo Lake in July - that's 59% of daylight hours.

Does it rain in Diablo Lake in July?

There are usually 8 days with some rain in Diablo Lake in July and the average monthly rainfall is 1.7 inches.

Diablo Lake July sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 04:06 20:11
Wednesday, 16th July 2025 04:19 20:01
Thursday, 31st July 2025 04:38 19:43

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