Clear Lake, IL has a moderate climate with warm summers and cold winters. The average temperature in summer is around 75°F while the average temperature in winter is around 25°F. Rainfall averages around 30 inches per year, and snowfall averages 19 inches per year. Clear Lake enjoys mild winds most of the year, making it ideal for outdoor activities like fishing, camping, and hiking. The area also has low humidity levels throughout the year, resulting in comfortable temperatures no matter what season it is.
Clear Lake, Illinois gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Clear Lake averages 18 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 199 sunny days per year in Clear Lake. The US average is 205 sunny days.
Clear Lake gets some kind of precipitation, on average, 104 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 18
Rain: averages 39 inches of rain a year
Snow: averages 18 inches of snow a year