Average weather December in Chicago (Illinois), United States of America
The average minimum temperature (usually the minimum temperature is noted during the night) in Chicago in December is -7.0°C (19.4°F).
The amount of rain/snow in December is normal with an average of 63mm (2.5in).
This month is known as a chilly month.
The average maximum temperature lies around 1.0°C (33.8°F).
During the night it can cool down as well.
You will see the sun sometimes in this month, it has 118 hours of sun.
So what to wear in December? Visitors traveling to Chicago should plan on bringing a totally waterproof rain jacket since it will be raining some days. You can also expect some days or nights with snow. So bring gloves or mittens and wear a warm hat.
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 December look at the numbers below.
What to Do
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.