Roseville, IL has a generally temperate climate with hot summers and cold winters. Average summer temperatures range from the mid-70s Fahrenheit to the mid-80s, while winter temperatures can dip below freezing. Rainfall is average for most of the year, although it can be more plentiful in the spring months. Snowfall in Roseville can vary greatly from year to year, with some years seeing very little snow and other years having multiple feet of snowfall. Despite its location in a region known for severe weather, Roseville typically avoids serious problems with extreme weather events like tornadoes or blizzards.
Roseville, Illinois gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Roseville averages 24 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 203 sunny days per year in Roseville. The US average is 205 sunny days.
Roseville gets some kind of precipitation, on average, 102 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 86 degrees
Winter Low: the January low is 15
Rain: averages 39 inches of rain a year
Snow: averages 24 inches of snow a year