The climate in the Sterling, IL Metro Area is generally mild. Summers are warm and humid with temperatures reaching into the upper 80s and 90s on hot days. Winters can get quite cold in this area with temperatures rarely staying above freezing. Snowfall is common for most of the winter months, and there have been several very cold winters in recent years that brought lots of snow and bitter cold temperatures. The springtime tends to bring mostly pleasant weather although thunderstorms are fairly common here during this time of year.
Sterling Metro Area, Illinois gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Sterling Metro Area averages 30 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 199 sunny days per year in Sterling Metro Area. The US average is 205 sunny days.
Sterling Metro Area gets some kind of precipitation, on average, 101 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 13
Rain: averages 37 inches of rain a year
Snow: averages 30 inches of snow a year