2025 Compare Climate & Weather:
Fortine, MT vs Thompson Falls, MT

Highlights

On average, there are 158 sunny days per year in Thompson Falls. Fortine averages 152 sunny days per year. The US average is 205 sunny days.

Thompson Falls, Montana gets 22.7 inches of rain, on average, per year. Fortine, Montana gets 17 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Thompson Falls averages 42 inches of snow per year. Fortine averages 52.9 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Thompson Falls, Montana
Summer High: the July high is around 86 degrees
Winter Low: the January low is 22.8
Rain: averages 22.7 inches of rain a year
Snow: averages 42 inches of snow a year

Fortine, Montana
Summer High: the July high is around 82.9 degrees
Winter Low: the January low is 15.9
Rain: averages 17 inches of rain a year
Snow: averages 52.9 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Fortine is 6.4 (10=best), which means it is less comfortable than most places in Montana.

Today's Weather - Fortine, MT

39°F

Today's Weather - Thompson Falls, MT

35°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Fortine / Thompson Falls

July is the hottest month for Fortine with an average high temperature of 82.9°, which ranks it as cooler than most places in Montana. In Fortine, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Fortine are June, August and July.

August is the hottest month for Thompson Falls with an average high temperature of 86.3°, which ranks it as warmer than most places in Montana. In Thompson Falls, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Thompson Falls are June, September and July.

December has the coldest nighttime temperatures for Fortine with an average of 15.5°. This is warmer than most places in Montana.

December has the coldest nighttime temperatures for Thompson Falls with an average of 21.7°. This is one of the warmest places in Montana.

In Fortine, there are 16.4 days annually when the high temperature is over 90°, which is about average compared to other places in Montana.

In Thompson Falls, there are 28.6 days annually when the high temperature is over 90°, which is hotter than most places in Montana.

In Fortine, there are 184.5 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Montana.

In Thompson Falls, there are 151.0 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Montana.

In Fortine, there are 12.7 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Montana.

In Thompson Falls, there are 3.6 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Montana.

June is the wettest month in Fortine with 2.7 inches of rain, and the driest month is February with 0.9 inches. The wettest season is Autumn with 32% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 17.0 inches in Fortine means that it is wetter than most places in Montana.


November is the wettest month in Thompson Falls with 2.9 inches of rain, and the driest month is July with 1.1 inches. The wettest season is Spring with 30% of yearly precipitation and 19% occurs in Autumn, which is the driest season. The annual rainfall of 22.7 inches in Thompson Falls means that it is one of the wettest places in Montana.

June is the rainiest month in Fortine with 11.0 days of rain, and August is the driest month with only 5.4 rainy days. There are 102.0 rainy days annually in Fortine, which is rainier than most places in Montana. The rainiest season is Spring when it rains 27% of the time and the driest is Autumn with only a 23% chance of a rainy day.

November is the rainiest month in Thompson Falls with 15.8 days of rain, and August is the driest month with only 6.2 rainy days. There are 140.9 rainy days annually in Thompson Falls, which is one of the rainiest places in Montana. The rainiest season is Spring when it rains 30% of the time and the driest is Autumn with only a 18% chance of a rainy day.

An annual snowfall of 52.9 inches in Fortine means that it is snowier than most places in Montana.

An annual snowfall of 42.0 inches in Thompson Falls means that it is about average compared to other places in Montana.

December is the snowiest month in Fortine with 13.7 inches of snow, and 7 months of the year have significant snowfall.

December is the snowiest month in Thompson Falls with 15.0 inches of snow, and 5 months of the year have significant snowfall.