2025 Compare Climate & Weather:
Washington, DC vs Champaign, IL

Highlights

On average, there are 194 sunny days per year in Champaign. Washington averages 203 sunny days per year. The US average is 205 sunny days.

Champaign, Illinois gets 40.7 inches of rain, on average, per year. Washington, District of Columbia gets 43.3 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Champaign averages 20.3 inches of snow per year. Washington averages 13.7 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Champaign, Illinois
Summer High: the July high is around 84.4 degrees
Winter Low: the January low is 16.6
Rain: averages 40.7 inches of rain a year
Snow: averages 20.3 inches of snow a year

Washington, District of Columbia
Summer High: the July high is around 88.5 degrees
Winter Low: the January low is 26.5
Rain: averages 43.3 inches of rain a year
Snow: averages 13.7 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Champaign is 7.1 (10=best), which means it is more comfortable than most places in Illinois.

The annual BestPlaces Comfort Index for Washington is 7.3 (10=best), which means it is one of the most pleasant places in the District of Columbia.

Today's Weather - Washington, DC

74°F

Today's Weather - Champaign, IL

60°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Washington / Champaign

July is the hottest month for Washington with an average high temperature of 88.5°, which ranks it as one of the hottest places in the District of Columbia. In Washington, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Washington are September, May and June.

July is the hottest month for Champaign with an average high temperature of 84.4°, which ranks it as cooler than most places in Illinois. In Champaign, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Champaign are September, May and June.

January has the coldest nighttime temperatures for Washington with an average of 26.5°. This is one of the warmest places in the District of Columbia.

January has the coldest nighttime temperatures for Champaign with an average of 16.6°. This is about average compared to other places in Illinois.

In Washington, there are 35.8 days annually when the high temperature is over 90°, which is one of the hottest places in the District of Columbia.

In Champaign, there are 15.1 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.

In Washington, there are 79.3 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in the District of Columbia.

In Champaign, there are 124.1 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Illinois.

In Washington, there are 0.3 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in the District of Columbia.

In Champaign, there are 6.5 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Illinois.

July is the wettest month in Washington with 4.4 inches of rain, and the driest month is February with 2.8 inches. The wettest season is Autumn with 27% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 43.3 inches in Washington means that it is one of the wettest places in the District of Columbia.


July is the wettest month in Champaign with 4.7 inches of rain, and the driest month is January with 2.0 inches. The wettest season is Autumn with 31% of yearly precipitation and 17% occurs in Spring, which is the driest season. The annual rainfall of 40.7 inches in Champaign means that it is wetter than most places in Illinois.

May is the rainiest month in Washington with 11.5 days of rain, and October is the driest month with only 8.1 rainy days. There are 114.3 rainy days annually in Washington, which is one of the rainiest places in the District of Columbia. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 22% chance of a rainy day.

May is the rainiest month in Champaign with 11.5 days of rain, and September is the driest month with only 7.1 rainy days. There are 111.0 rainy days annually in Champaign, which is rainier than most places in Illinois. The rainiest season is Summer when it rains 29% of the time and the driest is Winter with only a 23% chance of a rainy day.

An annual snowfall of 13.7 inches in Washington means that it is one of the snowiest places in the District of Columbia.

An annual snowfall of 20.3 inches in Champaign means that it is about average compared to other places in Illinois.

January is the snowiest month in Washington with 5.5 inches of snow, and 5 months of the year have significant snowfall.

January is the snowiest month in Champaign with 5.9 inches of snow, and 5 months of the year have significant snowfall.