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

Highlights

On average, there are 207 sunny days per year in Chattanooga. Richland averages 196 sunny days per year. The US average is 205 sunny days.

Chattanooga, Tennessee gets 51.1 inches of rain, on average, per year. Richland, Washington gets 8.1 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. Richland averages 3.6 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

Richland, 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 3.6 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 Richland is 7.5 (10=best), which means it is one of the most pleasant places in Washington.

Today's Weather - Richland, WA

56°F

Today's Weather - Chattanooga, TN

58°F

Average Monthly High / Low (°F)

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

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

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 Richland with an average of 27.5°. 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 Richland, there are 39.9 days annually when the high temperature is over 90°, which is one of the hottest 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 Richland, there are 86.5 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 Richland, there are 0.6 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 Richland with 1.2 inches of rain, and the driest month is August with 0.2 inches. The wettest season is Spring with 38% of yearly precipitation and 14% occurs in Autumn, which is the driest season. The annual rainfall of 8.1 inches in Richland means that it is one of the driest 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.

January is the rainiest month in Richland 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 Richland, 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.

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 3.6 inches in Richland means that it is less snowy than most 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 Richland with 1.4 inches of snow, and 3 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.