61103 Rockford, IL has a humid continental climate, meaning that there are four distinct seasons and wide temperature ranges throughout the year. Summers tend to be hot and humid, with average temperatures in the 70s Fahrenheit (21-25°C). Winters can be cold, with temperatures often dropping below freezing and regular snowfall. Spring and fall are milder seasons with temperatures ranging from the 40s to 70s Fahrenheit (4-21°C) on average. Precipitation is fairly consistent year-round, averaging about 39 inches (990 mm) annually across all four seasons.
Rockford (zip 61103), Illinois gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Rockford (zip 61103) averages 35 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 191 sunny days per year in Rockford (zip 61103). The US average is 205 sunny days.
Rockford (zip 61103) 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