Sycamore, IL has a temperate climate with four distinct seasons. Summers are usually warm and humid, with temperatures reaching up to the high 80s during the day. Winters are cold and snowy, with temperatures ranging from highs in the 30s to lows below freezing. Spring is mild and wet, while fall brings clear skies, cooler temperatures, and beautiful foliage. This means that Sycamore is an ideal place for outdoor activities year round!
Sycamore, Illinois gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Sycamore averages 31 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 194 sunny days per year in Sycamore. The US average is 205 sunny days.
Sycamore gets some kind of precipitation, on average, 117 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 83 degrees
Winter Low: the January low is 12
Rain: averages 37 inches of rain a year
Snow: averages 31 inches of snow a year