Wheaton, IL has a temperate climate with four distinct seasons. Summers in Wheaton are warm and humid, with average temperatures ranging from the upper 70s to mid-80s Fahrenheit. Winters in Wheaton are cold and snowy, with temperatures typically between 20-32 degrees Fahrenheit. Spring and fall in Wheaton offer mild temperatures and plentiful rainfall. The area also experiences occasional thunderstorms during the summer months, bringing much-needed relief from the heat. All in all, Wheaton is a great place to live with a pleasant climate year round.
Wheaton, Illinois gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Wheaton averages 30 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 186 sunny days per year in Wheaton. The US average is 205 sunny days.
Wheaton gets some kind of precipitation, on average, 119 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 84 degrees
Winter Low: the January low is 15
Rain: averages 39 inches of rain a year
Snow: averages 30 inches of snow a year