Jerome, IL has a humid continental climate with hot, humid summers and cold, snowy winters. During the summer months temperatures can reach into the upper 80s with high humidity levels. Winter temperatures tend to range from the low 20s to the mid 30s and snowfall averages around 24 inches per year. Precipitation is generally spread throughout the year with mild springs and autumns. Overall, Jerome, IL has four distinct seasons that bring an array of weather conditions for its residents to enjoy.
Jerome, Illinois gets 38 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Jerome 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 Jerome. The US average is 205 sunny days.
Jerome 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 85 degrees
Winter Low: the January low is 18
Rain: averages 38 inches of rain a year
Snow: averages 18 inches of snow a year