Macon County is known for having a humid continental climate. Summers are usually hot and humid with temperatures in the high 80s and often into the 90s. Winters are cold with temperatures that can dip below freezing, and snowfall averages around 20 inches annually. Spring and fall seasons are mild but short compared to summer and winter. The area enjoys plenty of sunshine year round with an average of 230 sunny days per year.
Macon County, Illinois gets 40 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Macon County averages 14 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 198 sunny days per year in Macon County. The US average is 205 sunny days.
Macon County gets some kind of precipitation, on average, 104 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 87 degrees
Winter Low: the January low is 19
Rain: averages 40 inches of rain a year
Snow: averages 14 inches of snow a year