S
M
T
W
T
F
S
29
41°
27°
30
41°
26°
1
38°
25°
2
39°
25°
3
38°
24°
4
40°
24°
5
39°
23°
6
33°
20°
7
29°
14°
8
25°
13°
9
29°
16°
10
35°
21°
11
35°
21°
12
37°
20°
13
33°
21°
14
26°
19°
15
32°
17°
16
34°
18°
17
33°
19°
18
32°
16°
19
31°
14°
20
28°
5°
21
28°
11°
22
24°
12°
23
33°
16°
24
29°
14°
25
32°
5°
26
29°
9°
27
23°
9°
28
27°
5°
29
26°
9°
30
23°
12°
31
25°
4°
1
30°
1°
2
19°
1°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Cobb
Cobb's December 2026 forecast shows daily high temperatures ranging from 19° to 41°, with overnight lows between 1° and 27°. The average high for December is 31° with an average low of 15°. 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 Cobb. See also: January | February | March.
