2025 Compare Climate & Weather:
Bozeman, MT vs Sandown, NH

Highlights

On average, there are 199 sunny days per year in Sandown. Bozeman averages 188 sunny days per year. The US average is 205 sunny days.

Sandown, New Hampshire gets 45.8 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.

Sandown averages 56.1 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

Sandown, New Hampshire
Summer High: the July high is around 81.8 degrees
Winter Low: the January low is 12.6
Rain: averages 45.8 inches of rain a year
Snow: averages 56.1 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 Sandown is 6.8 (10=best), which means it is one of the most pleasant places in New Hampshire.

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

57°F

Today's Weather - Sandown, NH

47°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Bozeman / Sandown

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 Sandown with an average high temperature of 81.8°, which ranks it as warmer than most places in New Hampshire. In Sandown, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sandown are June, August and July.

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

January has the coldest nighttime temperatures for Sandown with an average of 12.6°. This is warmer than most places in New Hampshire.

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 Sandown, there are 6.7 days annually when the high temperature is over 90°, which is about average compared to other places in New Hampshire.

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 Sandown, there are 152.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in New Hampshire.

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 Sandown, there are 7.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in New Hampshire.

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.


October is the wettest month in Sandown with 4.3 inches of rain, and the driest month is January with 3.1 inches. The wettest season is Summer with 27% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 45.8 inches in Sandown means that it is about average compared to other places in New Hampshire.

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.

June is the rainiest month in Sandown with 11.6 days of rain, and February is the driest month with only 8.3 rainy days. There are 120.4 rainy days annually in Sandown, which is one of the least rainy places in New Hampshire. The rainiest season is Summer when it rains 27% of the time and the driest is Spring with only a 23% 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 56.1 inches in Sandown means that it is less snowy than most places in New Hampshire.

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 Sandown with 17.6 inches of snow, and 6 months of the year have significant snowfall.