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Old Mammoth Weather and Climate: A Comprehensive Guide

The temperature in Old Mammoth can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and cold during the cooler months. It receives mid-range precipitation levels. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

Visitors to Old Mammoth can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 25°C in July, the warmest time of the year, to a chilly 5°C during cooler months like January.

At night, temperatures typically drop to an average of around -9°C during these months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Generally, Old Mammoth experiences moderate precipitation patterns, averaging 543 mm yearly. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, December receives high snowfall, averaging 111 mm of precipitation, recorded across 9 snowy days. In contrast, the drier season, September brings less rainfall, with 6.1 mm over 2 rainy days. For more details, please visit our Old Mammoth Precipitation page.

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

Forecast for Old Mammoth

Fri   Dec 27
9°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
12 mm
overcast and heavy rain

overcast and heavy rain

The best time of year to visit Old Mammoth 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 Old Mammoth have a dry season?
    Yes, the months of June, July, August and September are very dry.
  • Which is the warmest month in Old Mammoth?
    July has an average maximum temperature of 25°C and is the warmest month of the year.
  • Which is the coldest month in Old Mammoth?
    The coldest month is January with an average maximum temperature of 5°C.
  • Which is the wettest month in Old Mammoth?
    December tops the wettest month list with 111 mm of rainfall.
  • Which is the driest month in Old Mammoth?
    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.