S
M
T
W
T
F
S
29
52°
23°
30
49°
21°
1
37°
20°
2
37°
21°
3
42°
25°
4
45°
33°
5
48°
36°
6
50°
35°
7
52°
32°
8
51°
28°
9
47°
29°
10
42°
22°
11
41°
19°
12
35°
21°
13
36°
18°
14
35°
17°
15
33°
18°
16
35°
15°
17
33°
15°
18
31°
21°
19
36°
23°
20
39°
27°
21
42°
29°
22
46°
27°
23
45°
23°
24
40°
16°
25
35°
17°
26
33°
19°
27
34°
22°
28
42°
19°
29
41°
16°
30
34°
14°
31
32°
18°
1
33°
23°
2
41°
18°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Cicero
Cicero's December 2026 forecast shows daily high temperatures ranging from 31° to 52°, with overnight lows between 14° and 36°. The average high for December is 40° with an average low of 22°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how December weather will actually feel in Cicero. See also: January | February | March.
