Cullom, IL has a typical Midwestern climate with hot summers and cold winters. During the summer months, temperatures can reach into the high 80s or even 90s, with occasional heat waves that may cause the temperature to hit 100 degrees. In the winter months, temperatures can drop below freezing and even dip into single digits at times. The area receives an average of 38 inches of precipitation each year, mostly in the form of rain during the spring and summer months. Snowfall is common in winter but usually melts quickly due to warmer temperatures. Overall, Cullom experiences a wide range of temperatures and weather conditions throughout the year.
Cullom, Illinois gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Cullom averages 19 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 192 sunny days per year in Cullom. The US average is 205 sunny days.
Cullom 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 15
Rain: averages 37 inches of rain a year
Snow: averages 19 inches of snow a year