Weather Forecast Chicago December 2024. December is in the winter in chicago and is typically the 3rd coldest month of the year. Expect 2°c daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in chicago in december.

Get the monthly weather forecast for chicago, il, including daily high/low, historical averages, to help you plan ahead. Explore comprehensive december 2024 weather forecasts for chicago, including daily high and low temperatures, precipitation risks, and monthly temperature trends.