Mammoth Lakes weather in August 2025

Expect 75°F daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Mammoth Lakes in August. Check more long-term weather averages for Mammoth Lakes in August before you book your next holiday to California in 2025/2026.

  • 75°F maximum daytime temperature in August in Mammoth Lakes75
    75°F max day temperature
  • 11 hours of sunshine per day
  • 5 days with some rainfall in August in Mammoth Lakes5
    5 days with some rainfall
  • 43°F minimum night-time temperature in August in Mammoth Lakes43
    43°F min night temperature
  • 14 hours of daylight per day in August in Mammoth Lakes14
    14 hours of daylight per day
  • No heat & humidity in August in Mammoth Lakes0
    No heat & humidity
  • 0.8 inches monthly rainfall in August in Mammoth Lakes0.8
    0.8 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in August in Mammoth Lakes10
    10 (Very High) UV index

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The August weather guide for California (Mammoth Lakes) 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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More about California

How hot is it in Mammoth Lakes in August?

Daytime temperatures usually reach 75°F in Mammoth Lakes in August, falling to 43°F at night.

How sunny is it in Mammoth Lakes in August?

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

Does it rain in Mammoth Lakes in August?

There are usually 5 days with some rain in Mammoth Lakes in August and the average monthly rainfall is 0.8 inches.

Mammoth Lakes August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:00 19:04
Saturday, 16th August 2025 05:13 18:47
Sunday, 31st August 2025 05:26 18:26

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