Belknap, IL has a humid continental climate, which is characterized by cold winters and hot summers. The average annual temperature is around 49°F. Winters are cold with temperatures dropping as low as -4°F in the coldest months. Summers are hot and humid, with temperatures climbing up to 90°F during some of the hottest days. Precipitation is relatively evenly distributed throughout the year and there is generally an abundance of snowfall in the winter months. Overall, Belknap, IL has a moderate climate that is ideal for many types of outdoor activities.
Belknap, Illinois gets 50 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Belknap averages 8 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 203 sunny days per year in Belknap. The US average is 205 sunny days.
Belknap gets some kind of precipitation, on average, 105 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 89 degrees
Winter Low: the January low is 26
Rain: averages 50 inches of rain a year
Snow: averages 8 inches of snow a year