2025 Compare Climate & Weather:
Mattoon, IL vs Athens, OH

Highlights

On average, there are 170 sunny days per year in Athens. Mattoon averages 201 sunny days per year. The US average is 205 sunny days.

Athens, Ohio gets 39.3 inches of rain, on average, per year. Mattoon, Illinois gets 39.5 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Athens averages 16.9 inches of snow per year. Mattoon averages 15.7 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Athens, Ohio
Summer High: the July high is around 83.6 degrees
Winter Low: the January low is 20.6
Rain: averages 39.3 inches of rain a year
Snow: averages 16.9 inches of snow a year

Mattoon, Illinois
Summer High: the July high is around 86 degrees
Winter Low: the January low is 20.1
Rain: averages 39.5 inches of rain a year
Snow: averages 15.7 inches of snow a year

BestPlaces Comfort Index

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

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

Today's Weather - Mattoon, IL

53°F

Today's Weather - Athens, OH

58°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Mattoon / Athens

July is the hottest month for Mattoon with an average high temperature of 86.0°, which ranks it as about average compared to other places in Illinois. In Mattoon, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mattoon are September, May and June.

July is the hottest month for Athens with an average high temperature of 83.6°, which ranks it as about average compared to other places in Ohio. In Athens, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Athens are September, June and August.

January has the coldest nighttime temperatures for Mattoon with an average of 20.1°. This is warmer than most places in Illinois.

January has the coldest nighttime temperatures for Athens with an average of 20.6°. This is warmer than most places in Ohio.

In Mattoon, there are 19.3 days annually when the high temperature is over 90°, which is about average compared to other places in Illinois.

In Athens, there are 9.3 days annually when the high temperature is over 90°, which is cooler than most places in Ohio.

In Mattoon, there are 104.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Illinois.

In Athens, there are 123.9 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Ohio.

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

In Athens, there are 3.1 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Ohio.

May is the wettest month in Mattoon with 4.3 inches of rain, and the driest month is February with 2.0 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 39.5 inches in Mattoon means that it is about average compared to other places in Illinois.


May is the wettest month in Athens with 4.5 inches of rain, and the driest month is February with 2.7 inches. The wettest season is Autumn with 28% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 39.3 inches in Athens means that it is about average compared to other places in Ohio.

May is the rainiest month in Mattoon with 11.8 days of rain, and September is the driest month with only 7.2 rainy days. There are 111.7 rainy days annually in Mattoon, 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.

May is the rainiest month in Athens with 11.7 days of rain, and September is the driest month with only 7.1 rainy days. There are 115.4 rainy days annually in Athens, which is one of the least rainy places in Ohio. The rainiest season is Summer 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 15.7 inches in Mattoon means that it is less snowy than most places in Illinois.

An annual snowfall of 16.9 inches in Athens means that it is less snowy than most places in Ohio.

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

January is the snowiest month in Athens with 5.3 inches of snow, and 6 months of the year have significant snowfall.