Frank Giacinta

Weather Forecast Chicago December 2024. Precipitation and snowfall will be below normal, with the most snow in late december, from late january into early february, and from late february into early march. The weather in chicago in december is very cold with temperatures between 28°f and 37°f, warm clothes are a must.

Get the monthly weather forecast for chicago, il, including daily high/low, historical averages, to help you plan ahead. December is in the winter in chicago and is typically the 3rd coldest month of the year.