East St. Louis, IL has a humid continental climate with hot, humid summers and cold winters. In the summer, temperatures typically range from the high 80s to low 90s Fahrenheit, while in the winter temperatures can get as low as the single digits and teens. Snowfall is common in winter months, averaging about 21 inches a year. On average, East St. Louis has around 45 inches of precipitation throughout the year, with higher amounts occurring in spring and summer. The city experiences frequent thunderstorms during summer months due to its location near rivers and lakes which provide plenty of moisture.
East St. Louis, Illinois gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
East St. Louis averages 13 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 204 sunny days per year in East St. Louis. The US average is 205 sunny days.
East St. Louis 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 23
Rain: averages 42 inches of rain a year
Snow: averages 13 inches of snow a year