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.
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
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for the Sterling metro area is 7.0 (10=best), which means it is about average compared to other places in Illinois.
8.9 / 4.7
Summer / Winter
September, June and August are the most pleasant months in the Sterling metro area, while January and December are the least comfortable months.