The climate in Roselle, IL is generally mild and pleasant. The average temperature for the year is around 50 degrees Fahrenheit, with summers reaching the mid to upper 80s and winters usually dipping into the low twenties. Rainfall is also fairly consistent with around 38 inches of precipitation annually, resulting in a number of cloudy days throughout the year. Thanks to its location near several large bodies of water, snowfall tends to be moderate and relatively short-lived in Roselle.
Roselle, Illinois gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Roselle averages 33 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 Roselle. The US average is 205 sunny days.
Roselle gets some kind of precipitation, on average, 123 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 14
Rain: averages 37 inches of rain a year
Snow: averages 33 inches of snow a year