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Mammoth Lakes (CA) Weather and Climate: A Comprehensive Guide

Mammoth lakes in California has a continental climate with warm, dry summers and long cold winters. During winter snow is very common.

Summers are warm and dry. The average temperature is around 25°C and with around 8 mm of precipation a month the chance you will experience rain is very small.

Average maximum day and minimum night temperature

In Mammoth Lakes, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 26°C in July to a chilly 5°C in January.

Nighttime temperatures can drop, with average lows reaching -9°C in January. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Mammoth Lakes typically sees modest rain/snowfall throughout the year, with an average annual precipitation of 492 mm. The seasons in Mammoth Lakes, bring significant changes in precipitation. The wettest month, December, receives high snowfall, with an average of 103 mm of precipitation. This snowfall is distributed across 9 snowy days.

In contrast, the driest month, September, experiences much less rainfall, totaling 6 mm over 2 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Mammoth Lakes Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Forecast for Mammoth Lakes (CA)

Fri   Dec 27
10°C | -1°C
SW 12 m/s
partly cloudy and no rain

partly cloudy and no rain

Sat   Dec 28
10°C | -2°C
SW 3 m/s
broken clouds and no rain

broken clouds and no rain

Sun   Dec 29
5°C | -3°C
SW 5 m/s
11 mm
overcast and heavy rain

overcast and heavy rain

The best time of year to visit Mammoth Lakes in the United States of America

During the months of June, July, August and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Does Mammoth Lakes have a dry season?
    Yes, the months of June, July, August and September are very dry.
  • Which is the warmest month in Mammoth Lakes?
    July has an average maximum temperature of 26°C and is the warmest month of the year.
  • Which is the coldest month in Mammoth Lakes?
    The coldest month is January with an average maximum temperature of 5°C.
  • Which is the wettest month in Mammoth Lakes?
    December tops the wettest month list with 103 mm of rainfall.
  • Which is the driest month in Mammoth Lakes?
    September is the driest month with 6 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.