The climate in 62221 Belleville, IL is humid and subtropical due to its location in the Midwest region of the United States. Summers are hot and humid with temperatures averaging in the upper 80s and low 90s. Winters are cold but mild, with temperatures often dipping below freezing for several weeks at a time. Precipitation is abundant throughout the year, usually falling as rain during spring and summer months, and snow during winter months.
Belleville (zip 62221), Illinois gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Belleville (zip 62221) averages 12 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 Belleville (zip 62221). The US average is 205 sunny days.
Belleville (zip 62221) 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 12 inches of snow a year