Typical Weather in Chicago, IL in January
33° F Avg High
21° F Avg Low
0 Rainy Days
☀️ Temperature Summary
January is one of the cooler months of the year for Chicago, with highs averaging around 33°F. Overnight lows can reach 21°F. This is the coldest month of the year in Chicago.
You may want to consider a warmer month to visit Chicago, unless you're ready to brave the cold.
High Temps Throughout the Year
🎒 What to Pack
Pick up a few of these items to keep your trip fun and comfortable.
☔ Rain Summary
In January you can expect close to a 0% chance of rain for any given day. It rains more than usual in January, with total rainfall for the month typically near NaN inches.
Rainfall Throughout the Year
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