Riverwoods, IL has a humid continental climate with vast differences in seasonal temperatures. During the summer months, temperatures can reach up to 90 degrees Fahrenheit and during the winter they can dip down to as low as 0 degrees. The average annual precipitation is about 38 inches, most of which falls in the summer months. Snowfall is moderate, usually ranging between 25-35 inches annually. The area experiences all four seasons and typically has mild winters and hot summers with cool autumn and spring months.
Riverwoods, Illinois gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Riverwoods averages 36 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 190 sunny days per year in Riverwoods. The US average is 205 sunny days.
Riverwoods gets some kind of precipitation, on average, 125 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 17
Rain: averages 36 inches of rain a year
Snow: averages 36 inches of snow a year