The climate in 62537 Harristown, IL is a humid continental climate with cold winters and hot, humid summers. Temperatures in the winter months typically range between 20-40°F with occasional snowfall, while summer temperatures tend to stay between 75-90°F with high humidity levels. Precipitation is fairly evenly distributed throughout the year with an annual average of 32 inches. The area also experiences several storms each year, making it ideal for those looking for a dynamic weather experience.
Harristown (zip 62537), Illinois gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Harristown (zip 62537) averages 15 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 198 sunny days per year in Harristown (zip 62537). The US average is 205 sunny days.
Harristown (zip 62537) gets some kind of precipitation, on average, 99 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 87 degrees
Winter Low: the January low is 19
Rain: averages 39 inches of rain a year
Snow: averages 15 inches of snow a year