S
M
T
W
T
F
S
29
58°
31°
30
52°
30°
1
53°
28°
2
52°
29°
3
54°
31°
4
53°
33°
5
52°
32°
6
55°
31°
7
55°
37°
8
54°
36°
9
51°
38°
10
54°
39°
11
57°
39°
12
57°
36°
13
56°
36°
14
56°
35°
15
56°
37°
16
58°
36°
17
56°
32°
18
53°
35°
19
50°
36°
20
49°
36°
21
56°
32°
22
56°
36°
23
51°
38°
24
56°
37°
25
57°
35°
26
53°
37°
27
52°
33°
28
53°
32°
29
51°
29°
30
50°
38°
31
50°
30°
1
47°
35°
2
Hist. Avg.
59°
35°
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 47° to 58°, with overnight lows between 28° and 39°. The average high for December is 54° with an average low of 34°. 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.
