Chestnut CDP, IL has a humid continental climate with cold, snowy winters and hot, humid summers. On average the hottest month is July with temperatures rising to the mid-80's Fahrenheit while the coldest month is January with temperatures just below the freezing mark. The area receives an average of 39 inches of precipitation annually including both rain and snowfall. During the summer months, strong thunderstorms are common due to intense humidity in the air.
Chestnut, Illinois gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Chestnut averages 17 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 Chestnut. The US average is 205 sunny days.
Chestnut gets some kind of precipitation, on average, 108 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 86 degrees
Winter Low: the January low is 19
Rain: averages 39 inches of rain a year
Snow: averages 17 inches of snow a year