2025 Compare Climate & Weather:
Grand Junction, CO vs Spokane Valley, WA

Highlights

On average, there are 174 sunny days per year in Spokane Valley. Grand Junction averages 245 sunny days per year. The US average is 205 sunny days.

Spokane Valley, Washington gets 19.5 inches of rain, on average, per year. Grand Junction, Colorado gets 9.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Spokane Valley averages 42.4 inches of snow per year. Grand Junction averages 15.8 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Spokane Valley, Washington
Summer High: the July high is around 83.8 degrees
Winter Low: the January low is 25.3
Rain: averages 19.5 inches of rain a year
Snow: averages 42.4 inches of snow a year

Grand Junction, Colorado
Summer High: the July high is around 92.8 degrees
Winter Low: the January low is 17.8
Rain: averages 9.9 inches of rain a year
Snow: averages 15.8 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Spokane Valley is 6.8 (10=best), which means it is less comfortable than most places in Washington.

The annual BestPlaces Comfort Index for Grand Junction is 7.4 (10=best), which means it is one of the most pleasant places in Colorado.

Today's Weather - Grand Junction, CO

65°F

Today's Weather - Spokane Valley, WA

53°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Grand Junction / Spokane Valley

July is the hottest month for Grand Junction with an average high temperature of 92.8°, which ranks it as one of the hottest places in Colorado. In Grand Junction, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Grand Junction are May, September and June.

July is the hottest month for Spokane Valley with an average high temperature of 83.8°, which ranks it as warmer than most places in Washington. In Spokane Valley, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Spokane Valley are June, September and August.

January has the coldest nighttime temperatures for Grand Junction with an average of 17.8°. This is warmer than most places in Colorado.

December has the coldest nighttime temperatures for Spokane Valley with an average of 23.7°. This is colder than most places in Washington.

In Grand Junction, there are 54.9 days annually when the high temperature is over 90°, which is one of the hottest places in Colorado.

In Spokane Valley, there are 17.2 days annually when the high temperature is over 90°, which is hotter than most places in Washington.

In Grand Junction, there are 130.1 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Colorado.

In Spokane Valley, there are 120.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Washington.

In Grand Junction, there are 2.1 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Colorado.

In Spokane Valley, there are 1.5 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Washington.

September is the wettest month in Grand Junction with 1.2 inches of rain, and the driest month is January with 0.5 inches. The wettest season is Winter with 32% of yearly precipitation and 16% occurs in Spring, which is the driest season. The annual rainfall of 9.9 inches in Grand Junction means that it is one of the driest places in Colorado.


December is the wettest month in Spokane Valley with 2.8 inches of rain, and the driest month is August with 0.7 inches. The wettest season is Spring with 34% of yearly precipitation and 15% occurs in Autumn, which is the driest season. The annual rainfall of 19.5 inches in Spokane Valley means that it is drier than most places in Washington.

April is the rainiest month in Grand Junction with 6.9 days of rain, and June is the driest month with only 3.8 rainy days. There are 68.9 rainy days annually in Grand Junction, which is less rainy than most places in Colorado. The rainiest season is Summer when it rains 28% of the time and the driest is Spring with only a 22% chance of a rainy day.

November is the rainiest month in Spokane Valley with 14.3 days of rain, and August is the driest month with only 4.1 rainy days. There are 117.2 rainy days annually in Spokane Valley, which is less rainy than most places in Washington. The rainiest season is Spring when it rains 32% of the time and the driest is Autumn with only a 14% chance of a rainy day.

An annual snowfall of 15.8 inches in Grand Junction means that it is one of the least snowy places in Colorado.

An annual snowfall of 42.4 inches in Spokane Valley means that it is snowier than most places in Washington.

December is the snowiest month in Grand Junction with 4.3 inches of snow, and 6 months of the year have significant snowfall.

December is the snowiest month in Spokane Valley with 14.1 inches of snow, and 6 months of the year have significant snowfall.