2025 Compare Climate & Weather:
Boise City, ID vs Sheridan, WY

Highlights

On average, there are 208 sunny days per year in Sheridan. Boise City averages 206 sunny days per year. The US average is 205 sunny days.

Sheridan, Wyoming gets 12.9 inches of rain, on average, per year. Boise City, Idaho gets 13 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Sheridan averages 34.7 inches of snow per year. Boise City averages 17.5 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Sheridan, Wyoming
Summer High: the July high is around 87.1 degrees
Winter Low: the January low is 10.7
Rain: averages 12.9 inches of rain a year
Snow: averages 34.7 inches of snow a year

Boise City, Idaho
Summer High: the July high is around 91.6 degrees
Winter Low: the January low is 23.7
Rain: averages 13 inches of rain a year
Snow: averages 17.5 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Boise is 7.3 (10=best), which means it is one of the most pleasant places in Idaho.

Today's Weather - Boise City, ID

44°F

Today's Weather - Sheridan, WY

40°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Boise City / Sheridan

July is the hottest month for Boise with an average high temperature of 91.6°, which ranks it as one of the hottest places in Idaho. In Boise, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Boise are September, June and May.

July is the hottest month for Sheridan with an average high temperature of 87.1°, which ranks it as warmer than most places in Wyoming. In Sheridan, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sheridan are June, September and August.

December has the coldest nighttime temperatures for Boise with an average of 22.7°. This is warmer than most places in Idaho.

December has the coldest nighttime temperatures for Sheridan with an average of 9.7°. This is about average compared to other places in Wyoming.

In Boise, there are 51.0 days annually when the high temperature is over 90°, which is one of the hottest places in Idaho.

In Sheridan, there are 28.7 days annually when the high temperature is over 90°, which is hotter than most places in Wyoming.

In Boise, there are 114.9 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Idaho.

In Sheridan, there are 189.4 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Wyoming.

In Boise, there are 2.8 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Idaho.

In Sheridan, there are 20.2 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Wyoming.

December is the wettest month in Boise with 1.9 inches of rain, and the driest month is July with 0.3 inches. The wettest season is Spring with 35% of yearly precipitation and 10% occurs in Autumn, which is the driest season. The annual rainfall of 13.0 inches in Boise means that it is about average compared to other places in Idaho.


June is the wettest month in Sheridan with 2.2 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Summer with 34% of yearly precipitation and 11% occurs in Spring, which is the driest season. The annual rainfall of 12.9 inches in Sheridan means that it is about average compared to other places in Wyoming.

December is the rainiest month in Boise with 11.3 days of rain, and August is the driest month with only 2.3 rainy days. There are 87.0 rainy days annually in Boise, which is less rainy than most places in Idaho. The rainiest season is Spring when it rains 35% of the time and the driest is Autumn with only a 12% chance of a rainy day.

May is the rainiest month in Sheridan with 9.8 days of rain, and August is the driest month with only 4.8 rainy days. There are 79.7 rainy days annually in Sheridan, which is rainier than most places in Wyoming. The rainiest season is Summer when it rains 33% of the time and the driest is Spring with only a 19% chance of a rainy day.

An annual snowfall of 17.5 inches in Boise means that it is less snowy than most places in Idaho.

An annual snowfall of 34.7 inches in Sheridan means that it is less snowy than most places in Wyoming.

December is the snowiest month in Boise with 6.4 inches of snow, and 5 months of the year have significant snowfall.

December is the snowiest month in Sheridan with 6.5 inches of snow, and 9 months of the year have significant snowfall.