2025 Compare Climate & Weather:
Bozeman, MT vs Big Sky, MT

Highlights

On average, there are 187 sunny days per year in Big Sky. Bozeman averages 188 sunny days per year. The US average is 205 sunny days.

Big Sky, Montana gets 20.2 inches of rain, on average, per year. Bozeman, Montana gets 16.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Big Sky averages 46.1 inches of snow per year. Bozeman averages 62.8 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Big Sky, Montana
Summer High: the July high is around 77.9 degrees
Winter Low: the January low is 7.6
Rain: averages 20.2 inches of rain a year
Snow: averages 46.1 inches of snow a year

Bozeman, Montana
Summer High: the July high is around 84.3 degrees
Winter Low: the January low is 13.3
Rain: averages 16.9 inches of rain a year
Snow: averages 62.8 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Big Sky is 6.0 (10=best), which means it is one of the least comfortable places in Montana.

The annual BestPlaces Comfort Index for Bozeman is 6.5 (10=best), which means it is less comfortable than most places in Montana.

Today's Weather - Bozeman, MT

66°F

Today's Weather - Big Sky, MT

60°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Bozeman / Big Sky

July is the hottest month for Bozeman with an average high temperature of 84.3°, which ranks it as about average compared to other places in Montana. In Bozeman, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Bozeman are June, September and August.

July is the hottest month for Big Sky with an average high temperature of 77.9°, which ranks it as one of the coolest places in Montana. In Big Sky, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Big Sky are July, August and June.

December has the coldest nighttime temperatures for Bozeman with an average of 11.6°. This is about average compared to other places in Montana.

December has the coldest nighttime temperatures for Big Sky with an average of 6.5°. This is colder than most places in Montana.

In Bozeman, there are 17.2 days annually when the high temperature is over 90°, which is about average compared to other places in Montana.

In Big Sky, there are 1.6 days annually when the high temperature is over 90°, which is one of the coolest places in Montana.

In Bozeman, there are 180.6 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Montana.

In Big Sky, there are 253.5 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Montana.

In Bozeman, there are 16.7 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Montana.

In Big Sky, there are 28.0 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Montana.

May is the wettest month in Bozeman with 2.9 inches of rain, and the driest month is January with 0.6 inches. The wettest season is Summer with 35% of yearly precipitation and 11% occurs in Spring, which is the driest season. The annual rainfall of 16.9 inches in Bozeman means that it is wetter than most places in Montana.


June is the wettest month in Big Sky with 2.7 inches of rain, and the driest month is February with 1.0 inches. The wettest season is Autumn with 29% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 20.2 inches in Big Sky means that it is wetter than most places in Montana.

May is the rainiest month in Bozeman with 13.9 days of rain, and February is the driest month with only 6.7 rainy days. There are 112.8 rainy days annually in Bozeman, which is rainier than most places in Montana. The rainiest season is Summer when it rains 31% of the time and the driest is Spring with only a 19% chance of a rainy day.

May is the rainiest month in Big Sky with 12.7 days of rain, and October is the driest month with only 7.8 rainy days. There are 123.6 rainy days annually in Big Sky, which is one of the rainiest places in Montana. The rainiest season is Summer when it rains 27% of the time and the driest is Winter with only a 22% chance of a rainy day.

An annual snowfall of 62.8 inches in Bozeman means that it is snowier than most places in Montana.

An annual snowfall of 46.1 inches in Big Sky means that it is snowier than most places in Montana.

December is the snowiest month in Bozeman with 11.0 inches of snow, and 9 months of the year have significant snowfall.

January is the snowiest month in Big Sky with 8.6 inches of snow, and 8 months of the year have significant snowfall.