Assumption, IL has a humid continental climate with hot weather in the summer and cold temperatures in the winter. The average annual temperature is around 51 degrees Fahrenheit (10.5 degrees Celsius). Rainfall is spread throughout the year, and snow can be expected during the winter months. Winters are usually cold, with occasional snowstorms, while summers tend to be warm and humid. The area also experiences some thunderstorms throughout the year, which can bring heavy rainfall and gusty winds.
Assumption (zip 62510), Illinois gets 40 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Assumption (zip 62510) averages 16 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 198 sunny days per year in Assumption (zip 62510). The US average is 205 sunny days.
Assumption (zip 62510) 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 87 degrees
Winter Low: the January low is 18
Rain: averages 40 inches of rain a year
Snow: averages 16 inches of snow a year