62351 Mendon, IL has a humid continental climate characterized by four distinct seasons. Summers are hot and humid, with temperatures reaching into the low 90s Fahrenheit (32-35 Celsius) on average in July and August. Winters are snowy and cold, with average highs in the mid-20s Fahrenheit (-3 to -6 Celsius). Spring and fall tend to be mild, but can offer some extreme weather conditions. Due to its location in the Midwest, Mendon experiences severe weather such as heavy thunderstorms, floods, blizzards, tornados, and hail during all seasons.
Mendon (zip 62351), Illinois gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Mendon (zip 62351) averages 18 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 200 sunny days per year in Mendon (zip 62351). The US average is 205 sunny days.
Mendon (zip 62351) gets some kind of precipitation, on average, 99 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 86 degrees
Winter Low: the January low is 17
Rain: averages 39 inches of rain a year
Snow: averages 18 inches of snow a year