2025 Compare Climate & Weather:
Kalispell, MT vs Pottstown, PA

Highlights

On average, there are 209 sunny days per year in Pottstown. Kalispell averages 151 sunny days per year. The US average is 205 sunny days.

Pottstown, Pennsylvania gets 46.9 inches of rain, on average, per year. Kalispell, Montana gets 18 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Pottstown averages 16.8 inches of snow per year. Kalispell averages 55.9 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Pottstown, Pennsylvania
Summer High: the July high is around 85.7 degrees
Winter Low: the January low is 22.8
Rain: averages 46.9 inches of rain a year
Snow: averages 16.8 inches of snow a year

Kalispell, Montana
Summer High: the July high is around 80.5 degrees
Winter Low: the January low is 17
Rain: averages 18 inches of rain a year
Snow: averages 55.9 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Pottstown is 7.2 (10=best), which means it is one of the most pleasant places in Pennsylvania.

The annual BestPlaces Comfort Index for Kalispell is 6.3 (10=best), which means it is less comfortable than most places in Montana.

Today's Weather - Kalispell, MT

77°F

Today's Weather - Pottstown, PA

71°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Kalispell / Pottstown

August is the hottest month for Kalispell with an average high temperature of 80.8°, which ranks it as cooler than most places in Montana. In Kalispell, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Kalispell are July, August and June.

July is the hottest month for Pottstown with an average high temperature of 85.7°, which ranks it as one of the hottest places in Pennsylvania. In Pottstown, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Pottstown are September, June and May.

December has the coldest nighttime temperatures for Kalispell with an average of 16.8°. This is warmer than most places in Montana.

January has the coldest nighttime temperatures for Pottstown with an average of 22.8°. This is one of the warmest places in Pennsylvania.

In Kalispell, there are 8.8 days annually when the high temperature is over 90°, which is cooler than most places in Montana.

In Pottstown, there are 20.9 days annually when the high temperature is over 90°, which is one of the hottest places in Pennsylvania.

In Kalispell, there are 176.0 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Montana.

In Pottstown, there are 103.5 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Pennsylvania.

In Kalispell, there are 8.8 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Montana.

In Pottstown, there are 0.7 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Pennsylvania.

June is the wettest month in Kalispell with 2.8 inches of rain, and the driest month is February with 1.0 inches. The wettest season is Autumn with 30% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 18.0 inches in Kalispell means that it is wetter than most places in Montana.


July is the wettest month in Pottstown with 4.8 inches of rain, and the driest month is February with 2.7 inches. The wettest season is Autumn with 27% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 46.9 inches in Pottstown means that it is wetter than most places in Pennsylvania.

January is the rainiest month in Kalispell with 13.6 days of rain, and August is the driest month with only 7.0 rainy days. There are 128.5 rainy days annually in Kalispell, which is one of the rainiest places in Montana. The rainiest season is Spring when it rains 29% of the time and the driest is Autumn with only a 22% chance of a rainy day.

May is the rainiest month in Pottstown with 11.8 days of rain, and February is the driest month with only 8.0 rainy days. There are 117.1 rainy days annually in Pottstown, which is less rainy than most places in Pennsylvania. The rainiest season is Summer when it rains 28% of the time and the driest is Spring with only a 23% chance of a rainy day.

An annual snowfall of 55.9 inches in Kalispell means that it is snowier than most places in Montana.

An annual snowfall of 16.8 inches in Pottstown means that it is one of the least snowy places in Pennsylvania.

December is the snowiest month in Kalispell with 17.7 inches of snow, and 7 months of the year have significant snowfall.

February is the snowiest month in Pottstown with 6.2 inches of snow, and 5 months of the year have significant snowfall.