2025 Compare Climate & Weather:
Post Falls, ID vs Spokane Valley, WA

Highlights

On average, there are 174 sunny days per year in Spokane Valley. Post Falls averages 174 sunny days per year. The US average is 205 sunny days.

Spokane Valley, Washington gets 19.5 inches of rain, on average, per year. Post Falls, Idaho gets 22.4 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. Post Falls averages 39.9 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

Post Falls, Idaho
Summer High: the July high is around 83.1 degrees
Winter Low: the January low is 24.4
Rain: averages 22.4 inches of rain a year
Snow: averages 39.9 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 Post Falls is 6.8 (10=best), which means it is more comfortable than most places in Idaho.

Today's Weather - Post Falls, ID

46°F

Today's Weather - Spokane Valley, WA

45°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Post Falls / Spokane Valley

August is the hottest month for Post Falls with an average high temperature of 83.3°, which ranks it as cooler than most places in Idaho. In Post Falls, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Post Falls are September, June and July.

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.

December has the coldest nighttime temperatures for Post Falls with an average of 23.1°. This is one of the warmest places in Idaho.

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

In Post Falls, there are 15.9 days annually when the high temperature is over 90°, which is about average compared to other places in Idaho.

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 Post Falls, there are 132.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Idaho.

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 Post Falls, there are 2.0 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Idaho.

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.

November is the wettest month in Post Falls with 3.2 inches of rain, and the driest month is August with 0.8 inches. The wettest season is Spring with 34% of yearly precipitation and 16% occurs in Autumn, which is the driest season. The annual rainfall of 22.4 inches in Post Falls means that it is wetter than most places in Idaho.


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.

November is the rainiest month in Post Falls with 14.6 days of rain, and August is the driest month with only 4.3 rainy days. There are 118.4 rainy days annually in Post Falls, which is rainier than most places in Idaho. The rainiest season is Spring when it rains 31% of the time and the driest is Autumn with only a 15% 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 39.9 inches in Post Falls means that it is about average compared to other places in Idaho.

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 Post Falls with 14.6 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.