Average Weather during 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. You will see the sun occasionally during 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 often be raining. You can also expect some days or nights with snow. So bring gloves or mittens and wear a warm hat.

No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go here.

For other monthly average weather and what to do in December look at the numbers below.

Monthly Averages

Show in Celsius

Min Temperature 19 °F
Max Temperature 33 °F
Chance of Rain 33%
Precipitation 2 in
Rainy Days 10
Sunshine Hours 118

What To Do

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

Swimming
5/10
Cycling
2/10
Walking
2/10
Camping
1/10
Outdoor sports
2/10

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.