Cortland, IL is located in the northern part of the state and has a humid continental climate. Summers are hot and humid with temperatures averaging around 80 degrees Fahrenheit and winter temperatures can drop to an average of 20 degrees Fahrenheit. The area gets an average of 37 inches of precipitation each year, including both rain and snow. The region experiences four distinct seasons with warm summers, cold winters, mild springs and cool falls.
Cortland (zip 60112), Illinois gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Cortland (zip 60112) averages 31 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 191 sunny days per year in Cortland (zip 60112). The US average is 205 sunny days.
Cortland (zip 60112) gets some kind of precipitation, on average, 116 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 13
Rain: averages 37 inches of rain a year
Snow: averages 31 inches of snow a year