61448 Knoxville, IL has a humid continental climate with hot summers and cold winters. The temperature during the summer months is usually in the upper 80s to lower 90s with occasional heat waves. During the winter months, temperatures can drop below zero due to lake-effect snow from Lake Michigan. Precipitation is abundant throughout the year, with an average of almost 43 inches per year. Snowfall amounts can reach up to 24 inches during some winters.
Knoxville (zip 61448), Illinois gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Knoxville (zip 61448) averages 24 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 Knoxville (zip 61448). The US average is 205 sunny days.
Knoxville (zip 61448) 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 84 degrees
Winter Low: the January low is 14
Rain: averages 39 inches of rain a year
Snow: averages 24 inches of snow a year