Yosemite weather in August 2025

Expect daytime maximum temperatures of 22°C in Yosemite, California in August based on long-term weather averages. There are 11 hours of sunshine per day on average.

  • 22°C maximum daytime temperature in August in Yosemite22
    22°C max day temperature
  • 11 hours of sunshine per day
  • 5 days with some rainfall in August in Yosemite5
    5 days with some rainfall
  • 5°C minimum night-time temperature in August in Yosemite5
    5°C min night temperature
  • 14 hours of daylight per day in August in Yosemite14
    14 hours of daylight per day
  • No heat & humidity in August in Yosemite0
    No heat & humidity
  • 19 mm monthly rainfall in August in Yosemite19
    19 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in August in Yosemite10
    10 (Very High) UV index

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The August weather guide for California (Yosemite) 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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More about California

How hot is it in Yosemite in August?

Daytime temperatures usually reach 22°C in Yosemite in August, falling to 5°C at night.

How sunny is it in Yosemite in August?

There are normally 11 hours of bright sunshine each day in Yosemite in August - that's 80% of daylight hours.

Does it rain in Yosemite in August?

There are usually 5 days with some rain in Yosemite in August and the average monthly rainfall is 19mm.

Yosemite August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:02 19:07
Saturday, 16th August 2025 05:15 18:50
Sunday, 31st August 2025 05:28 18:29

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