Donovan, IL has a humid continental climate with warm summers and cold winters. The summers are usually hot and humid, with temperatures reaching as high as 90 degrees Fahrenheit in July. Winters are typically quite cold, with average lows of around 15 degrees Fahrenheit. Precipitation is fairly evenly spread throughout the year, although spring tends to be the wettest season. Snowfall is typical during winter months, but snow accumulations tend to be less than those seen in other parts of the Midwest.
Donovan, Illinois gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Donovan averages 21 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 Donovan. The US average is 205 sunny days.
Donovan gets some kind of precipitation, on average, 108 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 85 degrees
Winter Low: the January low is 16
Rain: averages 39 inches of rain a year
Snow: averages 21 inches of snow a year