Measurements:
°C
°F
Chicago
34°F
SE 22 mph
Feels like: 22°F
Precip: 0%
World Resorts USA Chicago Weather December Weather in Chicago

Chicago Weather: December

Average Day Temperature: 34.5°F
Average Night Temperature: 29.6°F
Sea Water Temperature: 39.6°F
Number of Sunny Days: 8 days
Sunshine Hours: 9.1 - 9.4 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.7 in

Air Temperature in December, °F

Select Year: 2023 2022 2021

The highest day temperature in December 2023 was 52°F. The lowest night temperature was 24°F. The average values for day and night temperatures during December were 39.7°F и 37.2°F respectivly.

Chicago Water Sea Temperature in December, °F

Select Year: 2023 2022 2021

The average sea surface temperature in December 2023 for Chicago was 41.4°F. The maximum and minimum values were 38.0°F and 44.8°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in December are gloomy but you can also expect sunny days.

Precipitation Totals in December, in

Precipitation total in December for Chicago is 1.7 in. It makes december one of the least rainy months of the year.

Wind Speed in December, mph

The average wind speed in December is 11.5 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Chicago in December is 3.9 hours.

Best Time to Visit Chicago
The most sunny months:
July 16 days
August 16 days
September 16 days
The most warm months:
July 83.6 °F
August 83.2 °F
June 76.7 °F
Warmest sea temperature:
August 72.3 °F
July 69.8 °F
September 68.0 °F
The most cold months:
January 26.0 °F
February 28.7 °F
December 34.5 °F
The most rainy months:
June 7 days
May 7 days
July 6 days
The most windy months:
November 12 mph
January 12 mph
February 11 mph

Chicago on the Weather Map

USA Resorts:
NAME
Boston +48
Chicago +34
Hawaii +80
Honolulu +80
Houston +74
Las Vegas +68
Los Angeles +74
Maui +74
Miami +80
New York +48
San Diego +70
San Francisco +58
Sarasota +74
Tampa +72
Washington +48
24 Hours Weather Forecast
Chicago
Local time: 15:56
21 nov, thursday
1800 40°F
S
20 mph
2100 42°F
S
18 mph
22 nov, friday
0000 40°F
SE
14 mph
0300 36°F
SE
14 mph
0600 40°F
SE
16 mph
0900 40°F
SE
17 mph
1200 42°F
SE
17 mph
1500 42°F
SE
17 mph