Chicago Weather in January
United States · 30-year monthly averages
🤔 Fair time to visit
January in Chicago is cold, with average daytime highs around 0°C (33°F) and nighttime lows near -7°C (19°F). Expect roughly 38mm of precipitation spread over about 6 rainy days, with little rainfall.
Avg high
0°C
33°F
Avg low
-7°C
19°F
Rainfall
38mm
dry
Rainy days
6
days with ≥1mm
🎒 What to pack
- warm coat
- sweaters and layers
- scarf
January vs the rest of the year
FAQ
- How hot is Chicago in January?
- January in Chicago is cold, with average daytime highs around 0°C (33°F) and nighttime lows near -7°C (19°F). Expect roughly 38mm of precipitation spread over about 6 rainy days, with little rainfall.
- Does it rain a lot in Chicago in January?
- Chicago sees around 38mm of precipitation in January on average — dry by global standards.
- Is January a good time to visit Chicago?
- January is a workable month to visit Chicago, but expect some weather trade-offs.