The climate in 60621 Chicago, IL is generally temperate throughout the year, with warm summers and cold winters. July is the hottest month with an average high temperature of 83°F (28°C) and an average low of 66°F (19°C). January is the coldest month with an average high of 31°F (-0.6°C) and an average low of 16°F (-8.9°C). The city gets around 38 inches (97 cm) of rainfall per year, with April being the wettest month. Snowfall averages about 23 inches (58 cm), with February being the snowiest month.
Chicago (zip 60621), Illinois gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Chicago (zip 60621) averages 32 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 189 sunny days per year in Chicago (zip 60621). The US average is 205 sunny days.
Chicago (zip 60621) gets some kind of precipitation, on average, 124 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 20
Rain: averages 39 inches of rain a year
Snow: averages 32 inches of snow a year