Average data for 10 years
1 December
Monday
+5°
0°
2 December
Tuesday
+5°
0°
3 December
Wednesday
+5°
+1°
4 December
Thursday
+5°
0°
5 December
Friday
+4°
0°
6 December
Saturday
+2°
−1°
7 December
Sunday
+1°
−2°
8 December
Monday
+2°
−1°
9 December
Tuesday
+3°
0°
10 December
Wednesday
+3°
−1°
11 December
Thursday
+2°
−1°
12 December
Friday
+3°
−2°
13 December
Saturday
+3°
−2°
14 December
Sunday
+4°
0°
15 December
Monday
+4°
0°
16 December
Tuesday
+3°
0°
17 December
Wednesday
+1°
−1°
18 December
Thursday
+1°
−3°
19 December
Friday
+1°
−3°
20 December
Saturday
+1°
−2°
21 December
Sunday
+1°
−2°
22 December
Monday
+1°
−2°
23 December
Tuesday
+2°
−2°
24 December
Wednesday
+1°
−3°
25 December
Thursday
0°
−3°
26 December
Friday
+1°
−2°
27 December
Saturday
+2°
−2°
28 December
Sunday
+3°
−2°
29 December
Monday
+2°
0°
30 December
Tuesday
+2°
−2°
31 December
Wednesday
+1°
−1°
Cities with similar weather in December
Finland
Helsinki
Latvia
Riga
Estonia
Tallinn
Sweden
Stockholm
Iceland
Reykyavik
In December, the weather in Chicago is typically cold. Average daily high temperature in December is about 2 degrees above zero. On average, Chicago has 9 cloudy, 9 partly cloudy, 6 sunny, 5 rainy, and 2 snowy days in December. The rains are usually heavy. December as well as January, February, March, and April is considered the most uncomfortable time to visit Chicago.