62203 East St. Louis, IL has a humid continental climate with hot summers and cold winters. The average temperature in the summer months is between 84°F and 91°F while in the winter it dips to an average of 27°F. The area experiences precipitation throughout the year, but most falls during the spring and summer months when thunderstorms are more common. Humidity is generally high year-round, making outdoor activities uncomfortable in the summer months.
East St. Louis (zip 62203), Illinois gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
East St. Louis (zip 62203) averages 13 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 202 sunny days per year in East St. Louis (zip 62203). The US average is 205 sunny days.
East St. Louis (zip 62203) gets some kind of precipitation, on average, 102 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 89 degrees
Winter Low: the January low is 22
Rain: averages 42 inches of rain a year
Snow: averages 13 inches of snow a year