2025 Compare Climate & Weather:
Charleston, IL vs Whitehouse, OH

Highlights

On average, there are 180 sunny days per year in Whitehouse. Charleston averages 202 sunny days per year. The US average is 205 sunny days.

Whitehouse, Ohio gets 34.7 inches of rain, on average, per year. Charleston, Illinois gets 40.3 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Whitehouse averages 30.1 inches of snow per year. Charleston averages 15.1 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Whitehouse, Ohio
Summer High: the July high is around 84.3 degrees
Winter Low: the January low is 18.2
Rain: averages 34.7 inches of rain a year
Snow: averages 30.1 inches of snow a year

Charleston, Illinois
Summer High: the July high is around 86.2 degrees
Winter Low: the January low is 20.2
Rain: averages 40.3 inches of rain a year
Snow: averages 15.1 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Whitehouse is 6.9 (10=best), which means it is less comfortable than most places in Ohio.

The annual BestPlaces Comfort Index for Charleston is 7.2 (10=best), which means it is one of the most pleasant places in Illinois.

Today's Weather - Charleston, IL

60°F

Today's Weather - Whitehouse, OH

52°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Charleston / Whitehouse

July is the hottest month for Charleston with an average high temperature of 86.2°, which ranks it as warmer than most places in Illinois. In Charleston, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Charleston are September, May and June.

July is the hottest month for Whitehouse with an average high temperature of 84.3°, which ranks it as warmer than most places in Ohio. In Whitehouse, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Whitehouse are September, June and August.

January has the coldest nighttime temperatures for Charleston with an average of 20.2°. This is warmer than most places in Illinois.

January has the coldest nighttime temperatures for Whitehouse with an average of 18.2°. This is colder than most places in Ohio.

In Charleston, there are 20.6 days annually when the high temperature is over 90°, which is about average compared to other places in Illinois.

In Whitehouse, there are 13.3 days annually when the high temperature is over 90°, which is hotter than most places in Ohio.

In Charleston, there are 103.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Illinois.

In Whitehouse, there are 123.8 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Ohio.

In Charleston, there are 3.9 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Illinois.

In Whitehouse, there are 4.8 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Ohio.

May is the wettest month in Charleston with 4.4 inches of rain, and the driest month is February with 2.1 inches. The wettest season is Autumn with 29% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 40.3 inches in Charleston means that it is wetter than most places in Illinois.


May is the wettest month in Whitehouse with 3.7 inches of rain, and the driest month is February with 2.0 inches. The wettest season is Autumn with 30% of yearly precipitation and 19% occurs in Spring, which is the driest season. The annual rainfall of 34.7 inches in Whitehouse means that it is one of the driest places in Ohio.

May is the rainiest month in Charleston with 11.7 days of rain, and September is the driest month with only 7.0 rainy days. There are 111.3 rainy days annually in Charleston, which is rainier than most places in Illinois. The rainiest season is Summer when it rains 30% of the time and the driest is Winter with only a 23% chance of a rainy day.

April is the rainiest month in Whitehouse with 11.6 days of rain, and August is the driest month with only 8.8 rainy days. There are 121.4 rainy days annually in Whitehouse, which is less rainy than most places in Ohio. The rainiest season is Summer when it rains 28% of the time and the driest is Autumn with only a 23% chance of a rainy day.

An annual snowfall of 15.1 inches in Charleston means that it is less snowy than most places in Illinois.

An annual snowfall of 30.1 inches in Whitehouse means that it is snowier than most places in Ohio.

January is the snowiest month in Charleston with 6.2 inches of snow, and 4 months of the year have significant snowfall.

January is the snowiest month in Whitehouse with 9.7 inches of snow, and 6 months of the year have significant snowfall.