East St. Louis, IL exhibits a humid continental climate, characterized by hot and humid summers with average temperatures in the mid 80s and cold winters with temperatures dropping to the single digits. Rainfall occurs throughout the year, but is heaviest in spring and summer months. Snow is common in winter, though accumulation will vary from year to year. Overall, this area experiences generally pleasant weather conditions throughout the year.
East St. Louis (zip 62204), Illinois gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
East St. Louis (zip 62204) 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 62204). The US average is 205 sunny days.
East St. Louis (zip 62204) 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