The climate in the Chicago-Naperville-Elgin, IL Metro Area is generally temperate with four distinct seasons. Winters are cold and snowy, with temperatures averaging between 20 and 35 degrees Fahrenheit. Summers are hot and humid, with temperatures typically reaching into the 80s. Spring and fall tend to be pleasant but changeable, with temperatures ranging between 45 and 65 degrees Fahrenheit. This region receives an average of 36 inches of precipitation per year, spread across all four seasons. The area also experiences a fair amount of snow in the winter months which can range from light flurries to heavy snowfalls depending on the year.
Chicago-Naperville-Elgin Metro Area, Illinois gets 38 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Chicago-Naperville-Elgin Metro Area averages 33 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 197 sunny days per year in Chicago-Naperville-Elgin Metro Area. The US average is 205 sunny days.
Chicago-Naperville-Elgin Metro Area gets some kind of precipitation, on average, 120 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 84 degrees
Winter Low: the January low is 16
Rain: averages 38 inches of rain a year
Snow: averages 33 inches of snow a year