2025 Compare Climate & Weather:
Spokane, WA vs Chattanooga, TN

Highlights

On average, there are 207 sunny days per year in Chattanooga. Spokane averages 171 sunny days per year. The US average is 205 sunny days.

Chattanooga, Tennessee gets 51.1 inches of rain, on average, per year. Spokane, Washington gets 17.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Chattanooga averages 1.5 inches of snow per year. Spokane averages 43.9 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Chattanooga, Tennessee
Summer High: the July high is around 89 degrees
Winter Low: the January low is 28.9
Rain: averages 51.1 inches of rain a year
Snow: averages 1.5 inches of snow a year

Spokane, Washington
Summer High: the July high is around 83.5 degrees
Winter Low: the January low is 24
Rain: averages 17.2 inches of rain a year
Snow: averages 43.9 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Chattanooga is 7.5 (10=best), which means it is one of the most pleasant places in Tennessee.

The annual BestPlaces Comfort Index for Spokane is 6.7 (10=best), which means it is less comfortable than most places in Washington.

Today's Weather - Spokane, WA

67°F

Today's Weather - Chattanooga, TN

65°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Spokane / Chattanooga

July is the hottest month for Spokane with an average high temperature of 83.5°, which ranks it as warmer than most places in Washington. In Spokane, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Spokane are June, September and August.

July is the hottest month for Chattanooga with an average high temperature of 89.0°, which ranks it as warmer than most places in Tennessee. In Chattanooga, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Chattanooga are May, September and October.

December has the coldest nighttime temperatures for Spokane with an average of 22.1°. This is colder than most places in Washington.

January has the coldest nighttime temperatures for Chattanooga with an average of 28.9°. This is one of the warmest places in Tennessee.

In Spokane, there are 16.1 days annually when the high temperature is over 90°, which is hotter than most places in Washington.

In Chattanooga, there are 39.0 days annually when the high temperature is over 90°, which is hotter than most places in Tennessee.

In Spokane, there are 133.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Washington.

In Chattanooga, there are 71.4 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Tennessee.

In Spokane, there are 2.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Washington.

In Chattanooga, there are 0.1 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Tennessee.

December is the wettest month in Spokane with 2.5 inches of rain, and the driest month is August with 0.6 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 17.2 inches in Spokane means that it is drier than most places in Washington.


December is the wettest month in Chattanooga with 4.9 inches of rain, and the driest month is October with 3.2 inches. The wettest season is Spring with 29% of yearly precipitation and 23% occurs in Autumn, which is the driest season. The annual rainfall of 51.1 inches in Chattanooga means that it is drier than most places in Tennessee.

November is the rainiest month in Spokane with 14.0 days of rain, and August is the driest month with only 3.9 rainy days. There are 115.0 rainy days annually in Spokane, which is less rainy than most places in Washington. The rainiest season is Spring when it rains 33% of the time and the driest is Autumn with only a 14% chance of a rainy day.

December is the rainiest month in Chattanooga with 9.2 days of rain, and October is the driest month with only 6.3 rainy days. There are 99.0 rainy days annually in Chattanooga, which is one of the least rainy places in Tennessee. The rainiest season is Spring when it rains 28% of the time and the driest is Winter with only a 21% chance of a rainy day.

An annual snowfall of 43.9 inches in Spokane means that it is one of the snowiest places in Washington.

An annual snowfall of 1.5 inches in Chattanooga means that it is one of the least snowy places in Tennessee.

December is the snowiest month in Spokane with 14.5 inches of snow, and 6 months of the year have significant snowfall.

January is the snowiest month in Chattanooga with 0.6 inches of snow, and 1 month of the year have significant snowfall.