2025 Compare Climate & Weather:
Kennewick, WA vs Sheridan, WY

Highlights

On average, there are 208 sunny days per year in Sheridan. Kennewick averages 191 sunny days per year. The US average is 205 sunny days.

Sheridan, Wyoming gets 12.9 inches of rain, on average, per year. Kennewick, Washington gets 8.1 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. Kennewick averages 3.5 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

Kennewick, Washington
Summer High: the July high is around 89.9 degrees
Winter Low: the January low is 28.7
Rain: averages 8.1 inches of rain a year
Snow: averages 3.5 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 Kennewick is 7.5 (10=best), which means it is one of the most pleasant places in Washington.

Today's Weather - Kennewick, WA

50°F

Today's Weather - Sheridan, WY

47°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Kennewick / Sheridan

July is the hottest month for Kennewick with an average high temperature of 89.9°, which ranks it as one of the hottest places in Washington. In Kennewick, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Kennewick are September, May and June.

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 Kennewick with an average of 27.5°. This is colder than most places in Washington.

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 Kennewick, there are 39.9 days annually when the high temperature is over 90°, which is one of the hottest places in Washington.

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

In Kennewick, there are 87.1 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Washington.

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 Kennewick, there are 0.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Washington.

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 Kennewick with 1.2 inches of rain, and the driest month is July with 0.2 inches. The wettest season is Spring with 39% of yearly precipitation and 13% occurs in Autumn, which is the driest season. The annual rainfall of 8.1 inches in Kennewick means that it is one of the driest places in Washington.


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.

January is the rainiest month in Kennewick with 11.5 days of rain, and August is the driest month with only 2.3 rainy days. There are 82.8 rainy days annually in Kennewick, which is less rainy than most places in Washington. The rainiest season is Spring when it rains 38% 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 3.5 inches in Kennewick means that it is less snowy than most places in Washington.

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 Kennewick with 1.4 inches of snow, and 3 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.