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Montana Climate by Month

The temperature in Montana can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and cold during the cooler months. It receives a reasonable amount of rain/snowfall. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

Visitors to Montana can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 30°C in August. In January, the coolest month of the year, temperatures drop to a chilly 5°C. At night, expect cooler temperatures, averaging -4°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, Montana experiences moderate precipitation patterns, averaging 815 mm yearly. Montana experiences moderate seasonal variation in rainfall, with monthly averages ranging from 96 mm in June, the wettest month, and 50 mm in November, the driest month.

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

The best time of year to visit Montana in Bulgaria

During the months of May 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:
  • When is summer in Montana?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Montana?
    August has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in Montana?
    The coldest month is January with an average maximum temperature of 5°C.
  • Which is the wettest month in Montana?
    June tops the wettest month list with 96 mm of rainfall.
  • Which is the driest month in Montana?
    November is the driest month with 50 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 Montana

    Thu   Nov 21
    10°C | 1°C
    NW 18 km/h
    4.2 mm
    almost clear and rain

    almost clear and rain

    Fri   Nov 22
    11°C | -1°C
    NW 14 km/h
    8.8 mm
    overcast and slight rain

    overcast and slight rain

    Sat   Nov 23
    8°C | 1°C
    NW 32 km/h
    partly cloudy and no rain

    partly cloudy and no rain