2025 Compare Climate & Weather:
Lewiston, ID vs Fort Collins, CO

Highlights

On average, there are 237 sunny days per year in Fort Collins. Lewiston averages 169 sunny days per year. The US average is 205 sunny days.

Fort Collins, Colorado gets 15.6 inches of rain, on average, per year. Lewiston, Idaho gets 15.8 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Fort Collins averages 48.1 inches of snow per year. Lewiston averages 12.5 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Fort Collins, Colorado
Summer High: the July high is around 87 degrees
Winter Low: the January low is 15.3
Rain: averages 15.6 inches of rain a year
Snow: averages 48.1 inches of snow a year

Lewiston, Idaho
Summer High: the July high is around 88.3 degrees
Winter Low: the January low is 28.5
Rain: averages 15.8 inches of rain a year
Snow: averages 12.5 inches of snow a year

BestPlaces Comfort Index

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

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

Today's Weather - Lewiston, ID

81°F

Today's Weather - Fort Collins, CO

78°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Lewiston / Fort Collins

July is the hottest month for Lewiston with an average high temperature of 88.3°, which ranks it as warmer than most places in Idaho. In Lewiston, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lewiston are September, June and May.

July is the hottest month for Fort Collins with an average high temperature of 87.0°, which ranks it as about average compared to other places in Colorado. In Fort Collins, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Fort Collins are September, June and August.

December has the coldest nighttime temperatures for Lewiston with an average of 27.1°. This is one of the warmest places in Idaho.

December has the coldest nighttime temperatures for Fort Collins with an average of 14.9°. This is about average compared to other places in Colorado.

In Lewiston, there are 36.8 days annually when the high temperature is over 90°, which is hotter than most places in Idaho.

In Fort Collins, there are 23.6 days annually when the high temperature is over 90°, which is about average compared to other places in Colorado.

In Lewiston, there are 88.5 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Idaho.

In Fort Collins, there are 163.6 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Colorado.

In Lewiston, there are 0.9 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Idaho.

In Fort Collins, there are 7.1 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Colorado.

November is the wettest month in Lewiston with 1.8 inches of rain, and the driest month is July with 0.7 inches. The wettest season is Summer with 31% of yearly precipitation and 17% occurs in Autumn, which is the driest season. The annual rainfall of 15.8 inches in Lewiston means that it is about average compared to other places in Idaho.


May is the wettest month in Fort Collins with 2.4 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Summer with 39% of yearly precipitation and 8% occurs in Spring, which is the driest season. The annual rainfall of 15.6 inches in Fort Collins means that it is drier than most places in Colorado.

November is the rainiest month in Lewiston with 12.8 days of rain, and August is the driest month with only 4.2 rainy days. There are 110.4 rainy days annually in Lewiston, which is rainier than most places in Idaho. The rainiest season is Spring when it rains 30% of the time and the driest is Autumn with only a 16% chance of a rainy day.

May is the rainiest month in Fort Collins with 11.2 days of rain, and December is the driest month with only 4.5 rainy days. There are 89.8 rainy days annually in Fort Collins, which is rainier than most places in Colorado. The rainiest season is Autumn when it rains 31% of the time and the driest is Spring with only a 16% chance of a rainy day.

An annual snowfall of 12.5 inches in Lewiston means that it is one of the least snowy places in Idaho.

An annual snowfall of 48.1 inches in Fort Collins means that it is about average compared to other places in Colorado.

December is the snowiest month in Lewiston with 4.5 inches of snow, and 5 months of the year have significant snowfall.

March is the snowiest month in Fort Collins with 10.9 inches of snow, and 9 months of the year have significant snowfall.