Hanover Park, IL has a humid continental climate with hot, humid summers and cold winters. Average high temperatures in the summer range from the mid-80s to the low 90s, while winter temperatures tend to remain in the 20s. Snowfall is common during winter months, with an average of 25 inches of snow per year. The area receives an average of 36 inches of rainfall throughout the year. Hanover Park residents can usually expect a few days of extreme weather each year such as severe thunderstorms or tornado activity.
Hanover Park, Illinois gets 38 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Hanover Park averages 33 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 192 sunny days per year in Hanover Park. The US average is 205 sunny days.
Hanover Park gets some kind of precipitation, on average, 121 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 13
Rain: averages 38 inches of rain a year
Snow: averages 33 inches of snow a year