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Big Sky (MT) Climate by Month

The graphs below provide an overview of the climate in Big Sky (Montana), the United States of America. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly precipitation

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

Forecast for Big Sky (MT)

Tue   Nov 05
-3°C | -10°C
W 29 km/h
21 mm
broken clouds and snow

broken clouds and snow

Wed   Nov 06
-5°C | -13°C
W 4 km/h
3.4 mm
almost clear and  chance of rain

almost clear and chance of rain

Thu   Nov 07
4°C | -12°C
W 4 km/h
clear and no rain

clear and no rain

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

During the months of July and August 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 winter in Big Sky?
    The coldest season / winter is in the following months: January, February, November and December.
  • Which is the warmest month in Big Sky?
    July has an average maximum temperature of 24°C and is the warmest month of the year.
  • Which is the coldest month in Big Sky?
    The coldest month is December with an average maximum temperature of -3°C.
  • Which is the wettest month in Big Sky?
    May tops the wettest month list with 92 mm of rainfall.
  • Which is the driest month in Big Sky?
    July is the driest month with 45 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.