Chicago (IL) monthly weather averages

What's the weather like in Chicago?

Nicknamed the 'Windy city' Chicago is a city known for its wide range of weather, from hot and humid summers to cold and icy winters. The climate in Chicago is classified as a humid continental climate, which means that the area experiences hot, humid summers and cold, dry winters.

Summer in Chicago is typically hot and humid, with temperatures often reaching into the upper 80s (30°C) and 90s (34°C). Rainfall is usually frequent during these months, and thunderstorms are common. Spring and fall are typically mild, with temperatures in the mid-60s (18°C) to mid-70s (23°C).

Winter in Chicago is cold, with temperatures often falling below freezing. Snowfall is common, and the city can get anywhere from 20 (50cm) to 40 inches (100cm) of snow each season. The lake-effect snow from Lake Michigan can also add to the snow totals.

Chicago's climate is affected by the lake, with lake breezes cooling things off in the summer and moderating temperatures in the winter. And yes, as the nickname suggests, Chicago also experiences a lot of wind, which can make the winter months seem even colder.