Symerton, IL has a humid continental climate with cold winters and hot, humid summers. During winter months, temperatures average between 20-30°F, while during summer months the temperature can range from 70-80°F. Precipitation is plentiful in the form of rain and snowfall throughout the year. In spring and fall the temperature typically stays above freezing but can dip below on occasion. The area also experiences frequent storms and thunderstorms as well as occasional tornadoes in the late spring and early summer.
Symerton, Illinois gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Symerton averages 24 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 185 sunny days per year in Symerton. The US average is 205 sunny days.
Symerton gets some kind of precipitation, on average, 123 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 84 degrees
Winter Low: the January low is 16
Rain: averages 37 inches of rain a year
Snow: averages 24 inches of snow a year