Mammoth Lakes weather in April 2026

Expect daytime maximum temperatures of 8°C in Mammoth Lakes, California in April based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 56 mm of rainfall in the month, which might fall as snow.

  • 8°C maximum daytime temperature in April in Mammoth Lakes8
    8°C max day temperature
  • 10 hours of sunshine per day
  • 5 days with some rainfall in April in Mammoth Lakes5
    5 days with some rainfall
  • -6°C minimum night-time temperature in April in Mammoth Lakes-6
    -6°C min night temperature
  • 13 hours of daylight per day in April in Mammoth Lakes13
    13 hours of daylight per day
  • No heat & humidity in April in Mammoth Lakes0
    No heat & humidity
  • 56 mm monthly rainfall in April in Mammoth Lakes56
    56 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in April in Mammoth Lakes8
    8 (Very High) UV index

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The April 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 / mm)  |  Imperial (°F / inches)

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More about California

How hot is it in Mammoth Lakes in April?

Daytime temperatures usually reach 22°C in Mammoth Lakes in April, falling to 11°C at night.

How sunny is it in Mammoth Lakes in April?

There are normally 10 hours of bright sunshine each day in Mammoth Lakes in April - that's 77% of daylight hours.

Does it ever rain in Mammoth Lakes in April?

There are usually 3 days with some rain in Mammoth Lakes in April and the average monthly rainfall is 29mm.

Mammoth Lakes April sunrise & sunset times

Browse the sunrise and sunset times for Mammoth Lakes in April 2026. Select a month to view Mammoth Lakes sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st April 2026 05:41 18:19
Wednesday, 15th April 2026 05:21 18:32
Thursday, 30th April 2026 05:01 18:45

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