2025 Compare Climate & Weather:
Decatur, IL vs Cleveland, OH

Highlights

On average, there are 166 sunny days per year in Cleveland. Decatur averages 199 sunny days per year. The US average is 205 sunny days.

Cleveland, Ohio gets 37.9 inches of rain, on average, per year. Decatur, Illinois gets 39.5 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Cleveland averages 54 inches of snow per year. Decatur averages 13 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Cleveland, Ohio
Summer High: the July high is around 82.4 degrees
Winter Low: the January low is 21.9
Rain: averages 37.9 inches of rain a year
Snow: averages 54 inches of snow a year

Decatur, Illinois
Summer High: the July high is around 86.9 degrees
Winter Low: the January low is 18.8
Rain: averages 39.5 inches of rain a year
Snow: averages 13 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Cleveland is 6.8 (10=best), which means it is less comfortable than most places in Ohio.

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

Today's Weather - Decatur, IL

66°F

Today's Weather - Cleveland, OH

56°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Decatur / Cleveland

July is the hottest month for Decatur with an average high temperature of 86.9°, which ranks it as warmer than most places in Illinois. In Decatur, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Decatur are September, May and June.

July is the hottest month for Cleveland with an average high temperature of 82.4°, which ranks it as cooler than most places in Ohio. In Cleveland, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Cleveland are June, August and September.

January has the coldest nighttime temperatures for Decatur with an average of 18.8°. This is warmer than most places in Illinois.

January has the coldest nighttime temperatures for Cleveland with an average of 21.9°. This is one of the warmest places in Ohio.

In Decatur, there are 24.8 days annually when the high temperature is over 90°, which is hotter than most places in Illinois.

In Cleveland, there are 8.8 days annually when the high temperature is over 90°, which is cooler than most places in Ohio.

In Decatur, there are 112.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Illinois.

In Cleveland, there are 100.6 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Ohio.

In Decatur, there are 4.8 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Illinois.

In Cleveland, there are 1.8 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Ohio.

June is the wettest month in Decatur with 4.5 inches of rain, and the driest month is January with 1.9 inches. The wettest season is Autumn with 31% of yearly precipitation and 16% occurs in Spring, which is the driest season. The annual rainfall of 39.5 inches in Decatur means that it is about average compared to other places in Illinois.


August is the wettest month in Cleveland with 3.7 inches of rain, and the driest month is February with 2.1 inches. The wettest season is Autumn with 29% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 37.9 inches in Cleveland means that it is drier than most places in Ohio.

May is the rainiest month in Decatur with 11.5 days of rain, and September is the driest month with only 6.9 rainy days. There are 104.3 rainy days annually in Decatur, which is less rainy than most places in Illinois. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 23% chance of a rainy day.

January is the rainiest month in Cleveland with 15.4 days of rain, and August is the driest month with only 9.8 rainy days. There are 148.5 rainy days annually in Cleveland, which is one of the rainiest places in Ohio. The rainiest season is Spring when it rains 29% of the time and the driest is Autumn with only a 21% chance of a rainy day.

An annual snowfall of 13.0 inches in Decatur means that it is less snowy than most places in Illinois.

An annual snowfall of 54.0 inches in Cleveland means that it is one of the snowiest places in Ohio.

January is the snowiest month in Decatur with 4.2 inches of snow, and 4 months of the year have significant snowfall.

January is the snowiest month in Cleveland with 15.0 inches of snow, and 6 months of the year have significant snowfall.