Rockford, IL enjoys a humid continental climate with four distinct seasons. Summers bring hot and humid weather, with temperatures rising into the high 80s and occasionally reaching the low 90s. Winters are cold with temperatures dropping into the teens and snowfall is common in December, January, and February. Spring and fall are moderate with mild temperatures averaging in the mid-50s to low 70s. Precipitation is relatively balanced throughout the year, bringing rain storms during all four seasons.
Rockford, Illinois gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Rockford averages 35 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 Rockford. The US average is 205 sunny days.
Rockford gets some kind of precipitation, on average, 116 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 13
Rain: averages 37 inches of rain a year
Snow: averages 35 inches of snow a year