2025 Compare Climate & Weather:
Monroe, WA vs Libby, MT

Highlights

On average, there are 152 sunny days per year in Libby. Monroe averages 165 sunny days per year. The US average is 205 sunny days.

Libby, Montana gets 19.5 inches of rain, on average, per year. Monroe, Washington gets 51.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Libby averages 49 inches of snow per year. Monroe averages 3 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Libby, Montana
Summer High: the July high is around 85.1 degrees
Winter Low: the January low is 21
Rain: averages 19.5 inches of rain a year
Snow: averages 49 inches of snow a year

Monroe, Washington
Summer High: the July high is around 75.7 degrees
Winter Low: the January low is 34.4
Rain: averages 51.1 inches of rain a year
Snow: averages 3 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Monroe is 7.2 (10=best), which means it is more comfortable than most places in Washington.

Today's Weather - Monroe, WA

43°F

Today's Weather - Libby, MT

45°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Monroe / Libby

August is the hottest month for Monroe with an average high temperature of 76.6°, which ranks it as about average compared to other places in Washington. In Monroe, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Monroe are August, July and September.

August is the hottest month for Libby with an average high temperature of 85.2°, which ranks it as warmer than most places in Montana. In Libby, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Libby are June, September and July.

December has the coldest nighttime temperatures for Monroe with an average of 33.2°. This is about average compared to other places in Washington.

December has the coldest nighttime temperatures for Libby with an average of 20.5°. This is one of the warmest places in Montana.

In Monroe, there are 2.3 days annually when the high temperature is over 90°, which is cooler than most places in Washington.

In Libby, there are 23.3 days annually when the high temperature is over 90°, which is hotter than most places in Montana.

In Monroe, there are 49.2 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Washington.

In Libby, there are 169.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Montana.

In Monroe, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Washington.

In Libby, there are 4.2 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Montana.

November is the wettest month in Monroe with 7.8 inches of rain, and the driest month is July with 1.4 inches. The wettest season is Spring with 34% of yearly precipitation and 11% occurs in Autumn, which is the driest season. The annual rainfall of 51.1 inches in Monroe means that it is wetter than most places in Washington.


November is the wettest month in Libby with 2.6 inches of rain, and the driest month is August with 0.9 inches. The wettest season is Winter with 28% of yearly precipitation and 22% occurs in Autumn, which is the driest season. The annual rainfall of 19.5 inches in Libby means that it is wetter than most places in Montana.

November is the rainiest month in Monroe with 20.0 days of rain, and August is the driest month with only 6.3 rainy days. There are 177.5 rainy days annually in Monroe, which is rainier than most places in Washington. The rainiest season is Spring when it rains 31% of the time and the driest is Autumn with only a 14% chance of a rainy day.

November is the rainiest month in Libby with 14.7 days of rain, and August is the driest month with only 6.1 rainy days. There are 127.8 rainy days annually in Libby, 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 19% chance of a rainy day.

An annual snowfall of 3.0 inches in Monroe means that it is less snowy than most places in Washington.

An annual snowfall of 49.0 inches in Libby means that it is snowier than most places in Montana.

December is the snowiest month in Monroe with 1.2 inches of snow, and 4 months of the year have significant snowfall.

December is the snowiest month in Libby with 17.8 inches of snow, and 6 months of the year have significant snowfall.