World Weather & Climate Information

Average weather January in Chicago (Illinois), United States of America

The average minimum temperature (usually the minimum temperature is noted during the night) in Chicago in January is -10.0°C (14°F). The amount of rain/snow in January is normal with an average of 39mm (1.5in). The average maximum temperature lies around -1.0°C (30.2°F). During the night it can be extremely cold as well. You will see the sun sometimes in this month, it has 126 hours of sun.

So what to wear in January? Visitors traveling to Chicago should plan on bringing a warm sweater and winter jacket since there will be periods of snow.

Do these climate conditions match with when you want to go to Chicago? Find out where to stay here.

For other monthly weather averages and what to do in January look at the numbers below.

Monthly averages

Min Temperature -10.0°C
Max Temperature -1.0°C
Chance of Rain 33.3%
Precipitation 39mm
Rainy Days 10
Windspeed 21.6kmph
Humidity 75%
Sunshine Hours 126

What to Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in January.
Outdoor sports

More climate information for Chicago

Weather and Climate offers all the information you need to know about the climate in Chicago.

We collected past weather data from many thousand weather stations around the world. So find on this website the historical weather averages in other cities in United States of America and climate and forecast data for all other countries in the world.

Cheapest month to fly to Chicago

Where to stay in Chicago