Wenona, IL has a humid continental climate. Summers tend to be hot and humid with temperatures around 84°F and high humidity levels. Winters are cold, with temperatures typically hovering around 25°F. Precipitation is fairly evenly distributed throughout the year, with an average of 37 inches of rainfall annually. Snowfall in Wenona can range from light to moderate, but generally remains below 20 inches for the season. The area experiences all four seasons quite distinctly, making it a great place to experience the beauty of every season.
Wenona, Illinois gets 38 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Wenona averages 21 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 Wenona. The US average is 205 sunny days.
Wenona gets some kind of precipitation, on average, 103 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 38 inches of rain a year
Snow: averages 21 inches of snow a year