Mammoth Lakes weather in May 2026

Expect daytime maximum temperatures of 13°C in Mammoth Lakes, California in May based on long-term weather averages. There are 11 hours of sunshine per day on average.

  • 13°C maximum daytime temperature in May in Mammoth Lakes13
    13°C max day temperature
  • 11 hours of sunshine per day
  • 5 days with some rainfall in May in Mammoth Lakes5
    5 days with some rainfall
  • -2°C minimum night-time temperature in May in Mammoth Lakes-2
    -2°C min night temperature
  • 14 hours of daylight per day in May in Mammoth Lakes14
    14 hours of daylight per day
  • No heat & humidity in May in Mammoth Lakes0
    No heat & humidity
  • 32 mm monthly rainfall in May in Mammoth Lakes32
    32 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in May in Mammoth Lakes9
    9 (Very High) UV index

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The May 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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How warm is it in Mammoth Lakes in May?

Daytime temperatures usually reach 13°C in Mammoth Lakes in May, falling to -2°C at night.

How sunny is it in Mammoth Lakes in May?

There are normally 11 hours of bright sunshine each day in Mammoth Lakes in May - that's 75% of daylight hours.

Does it rain in Mammoth Lakes in May?

There are usually 5 days with some rain in Mammoth Lakes in May and the average monthly rainfall is 32mm.

Mammoth Lakes May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 05:00 18:46
Saturday, 16th May 2026 04:45 19:00
Sunday, 31st May 2026 04:36 19:11

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