The climate in 61938 Mattoon, IL is generally mild and humid. The average annual temperature is around 55 degrees Farenheit, with temperatures rarely reaching above 75 degrees Farenheit in the summer or below 25 degrees Farenheit in the winter. Precipitation is fairly common throughout the year, with an average of 31 inches per year. Snowfall is also relatively common, averaging about 10 inches per year in this area. Winters tend to be cold and wet while summers are humid and warm but not overly hot. Overall, the climate of 61938 Mattoon, IL is temperate and pleasant.
Mattoon (zip 61938), Illinois gets 40 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Mattoon (zip 61938) averages 16 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 199 sunny days per year in Mattoon (zip 61938). The US average is 205 sunny days.
Mattoon (zip 61938) gets some kind of precipitation, on average, 112 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 86 degrees
Winter Low: the January low is 20
Rain: averages 40 inches of rain a year
Snow: averages 16 inches of snow a year