Mounds, IL experiences a humid continental climate with four distinct seasons. Summers are hot and humid with average temperatures around 80掳F in July and August. Winters are cold and snowy, with temperatures reaching as low as 10掳F in January. Spring brings milder temperatures of around 70掳F, whilst autumn brings cooler temperatures and typically the most rainfall of the year. The area does not experience extreme weather events such as tornadoes or hurricanes due to its location.
Mounds, Illinois gets 49 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Mounds averages 7 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 218 sunny days per year in Mounds. The US average is 205 sunny days.
Mounds gets some kind of precipitation, on average, 105 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 89 degrees
Winter Low: the January low is 25
Rain: averages 49 inches of rain a year
Snow: averages 7 inches of snow a year