Downers Grove, IL has a humid continental climate, which is characterized by warm, humid summers and cold winters. Average daily high temperatures during the summer months range from 68 to 85 degrees Fahrenheit (20 to 29 degrees Celsius), while the average daily lows during winter months can range from 6 to 28 degrees Fahrenheit (-14 to -2 degrees Celsius). Precipitation is common year round, with an annual average of 36 inches (91 cm). Snowfall typically occurs from November through March each year with an average of 24 inches (61 cm) annually.
Downers Grove (zip 60515), Illinois gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Downers Grove (zip 60515) averages 31 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 189 sunny days per year in Downers Grove (zip 60515). The US average is 205 sunny days.
Downers Grove (zip 60515) gets some kind of precipitation, on average, 120 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 31 inches of snow a year