Roscoe, IL has a humid continental climate characterized by warm summers and cold winters. In the summer months, high temperatures typically reach into the mid 80s Fahrenheit with moderate humidity levels and occasional thunderstorms. In winter, temperatures typically range from the mid 20s to low 30s Fahrenheit, with occasional snowfall throughout the season. Rainfall is fairly evenly distributed throughout the year in Roscoe with an average of 38 inches annually.
Roscoe, Illinois gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Roscoe averages 34 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 188 sunny days per year in Roscoe. The US average is 205 sunny days.
Roscoe gets some kind of precipitation, on average, 113 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 83 degrees
Winter Low: the January low is 11
Rain: averages 37 inches of rain a year
Snow: averages 34 inches of snow a year