Weather in December 2024

Illinois weather in December 2024

°C °F

The average weather in Illinois in December

The weather in Illinois in December is very cold with temperatures between -2°C and 3°C, warm clothes are a must.

You can expect about 3 to 8 days of rain in Illinois during the month of December. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Illinois is going to experience quite a number of days of snow during December. It’s the perfect time to build snowmen, drink hot cocoa, and have a snowball fight. Just remember to wear a warm scarf and a pair of mittens!

Our weather forecast can give you a great sense of what weather to expect in Illinois in December 2024.

If you’re planning to visit Illinois in the near future, we highly recommend that you review the 14 day weather forecast for Illinois before you arrive.

Temperatures
3° / -2°
Rainy Days
5
Snowy Days
10
Dry Days
16
Rainfall
38
mm
Sun Hours
7.1
Hrs

Explore the weather in Illinois in other months

Illinois annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January -2° / -7° 5 11 15 39 mm
Awful
February 0° / -6° 4 11 14 41 mm
Awful
March 7° / 1° 6 19 6 55 mm
Bad
April 12° / 5° 7 21 3 79 mm
Awful
May 19° / 12° 7 24 0 98 mm
Ok
June 24° / 17° 7 23 0 128 mm
Good
July 27° / 20° 7 24 0 114 mm
Good
August 27° / 19° 5 26 0 100 mm
Perfect
September 24° / 16° 4 26 0 64 mm
Perfect
October 16° / 10° 5 25 0 65 mm
Good
November 9° / 3° 4 22 4 40 mm
Bad
December 3° / -2° 5 16 10 38 mm
Awful

Weather in Illinois in December - FAQ

What is the average temperature in Illinois in December?
The average temperature in Illinois in December is -2/3° C.
What is the chance of rain in Illinois in December?
On average, there are 5 rainy days in Illinois during December.
Weather wise, is December a good time to visit Illinois?
The weather in Illinois in December is awful.
Can it snow in Illinois in December?
On average, there are 10 snowy days in Illinois in December.
Cities in Illinois

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