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Missoula (MT) Climate by Month

The climate in Missoula is marked by big temperature swings throughout the year. Temperatures range from warm during the warmest months to very cold in the cooler months. It typically sees modest rain/snowfall throughout the year. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

In Missoula, temperatures differ significantly between summer and winter months. Typically, daytime temperatures range from a comfortable 30°C in July to a very cold 0°C in the coolest month, December. Nights are cooler, with temperatures generally dropping to -8°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Missoula tends toward drier weather patterns, receiving approximately 424 mm of rain/snow per year. The climate in Missoula shows significant variation throughout the year. Expect moderate rainfall in June, with an average of 58 mm of precipitation over 13 rainy days. In contrast, July offers drier and sunnier days, with around 21 mm of rainfall over 6 rainy days.

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

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

During the months of June 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:
  • Which is the warmest month in Missoula?
    July has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in Missoula?
    The coldest month is December with an average maximum temperature of 0°C.
  • Which is the wettest month in Missoula?
    June tops the wettest month list with 58 mm of rainfall.
  • Which is the driest month in Missoula?
    July is the driest month with 21 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.

    Forecast for Missoula (MT)

    Sat   Nov 23
    7°C | 1°C
    NW 11 km/h
    5.4 mm
    broken clouds and rain

    broken clouds and rain

    Sun   Nov 24
    4°C | -4°C
    NE 7 km/h
    2.1 mm
    broken clouds and snow

    broken clouds and snow

    Mon   Nov 25
    4°C | -5°C
    SE 7 km/h
    partly cloudy and no rain

    partly cloudy and no rain