2025 Compare Climate & Weather:
Great Falls, MT vs Klamath Falls, OR

Highlights

On average, there are 218 sunny days per year in Klamath Falls. Great Falls averages 188 sunny days per year. The US average is 205 sunny days.

Klamath Falls, Oregon gets 16.4 inches of rain, on average, per year. Great Falls, Montana gets 14.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Klamath Falls averages 38.2 inches of snow per year. Great Falls averages 58 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Klamath Falls, Oregon
Summer High: the July high is around 86.4 degrees
Winter Low: the January low is 20.5
Rain: averages 16.4 inches of rain a year
Snow: averages 38.2 inches of snow a year

Great Falls, Montana
Summer High: the July high is around 85.3 degrees
Winter Low: the January low is 16.6
Rain: averages 14.4 inches of rain a year
Snow: averages 58 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Klamath Falls is 6.9 (10=best), which means it is less comfortable than most places in Oregon.

The annual BestPlaces Comfort Index for Great Falls is 6.8 (10=best), which means it is more comfortable than most places in Montana.

Today's Weather - Great Falls, MT

55°F

Today's Weather - Klamath Falls, OR

49°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Great Falls / Klamath Falls

July is the hottest month for Great Falls with an average high temperature of 85.3°, which ranks it as warmer than most places in Montana. In Great Falls, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Great Falls are June, September and August.

July is the hottest month for Klamath Falls with an average high temperature of 86.4°, which ranks it as warmer than most places in Oregon. In Klamath Falls, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Klamath Falls are September, June and August.

January has the coldest nighttime temperatures for Great Falls with an average of 16.6°. This is warmer than most places in Montana.

December has the coldest nighttime temperatures for Klamath Falls with an average of 20.0°. This is one of the coldest places in Oregon.

In Great Falls, there are 20.9 days annually when the high temperature is over 90°, which is hotter than most places in Montana.

In Klamath Falls, there are 25.6 days annually when the high temperature is over 90°, which is hotter than most places in Oregon.

In Great Falls, there are 151.3 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Montana.

In Klamath Falls, there are 183.0 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Oregon.

In Great Falls, there are 16.6 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Montana.

In Klamath Falls, there are 2.9 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Oregon.

June is the wettest month in Great Falls with 2.5 inches of rain, and the driest month is January with 0.5 inches. The wettest season is Autumn with 38% of yearly precipitation and 10% occurs in Spring, which is the driest season. The annual rainfall of 14.4 inches in Great Falls means that it is about average compared to other places in Montana.


December is the wettest month in Klamath Falls with 2.7 inches of rain, and the driest month is July with 0.5 inches. The wettest season is Spring with 41% of yearly precipitation and 13% occurs in Autumn, which is the driest season. The annual rainfall of 16.4 inches in Klamath Falls means that it is drier than most places in Oregon.

June is the rainiest month in Great Falls with 11.5 days of rain, and November is the driest month with only 5.6 rainy days. There are 89.8 rainy days annually in Great Falls, which is about average compared to other places in Montana. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 20% chance of a rainy day.

December is the rainiest month in Klamath Falls with 12.8 days of rain, and July is the driest month with only 2.5 rainy days. There are 95.1 rainy days annually in Klamath Falls, which is less rainy than most places in Oregon. The rainiest season is Spring when it rains 38% of the time and the driest is Autumn with only a 11% chance of a rainy day.

An annual snowfall of 58.0 inches in Great Falls means that it is snowier than most places in Montana.

An annual snowfall of 38.2 inches in Klamath Falls means that it is one of the snowiest places in Oregon.

March is the snowiest month in Great Falls with 10.4 inches of snow, and 9 months of the year have significant snowfall.

December is the snowiest month in Klamath Falls with 12.8 inches of snow, and 6 months of the year have significant snowfall.