S
M
T
W
T
F
S
29
59°
41°
30
63°
36°
1
58°
40°
2
56°
35°
3
61°
28°
4
65°
28°
5
50°
29°
6
51°
35°
7
55°
31°
8
52°
29°
9
52°
28°
10
51°
26°
11
49°
26°
12
48°
28°
13
49°
28°
14
51°
29°
15
52°
31°
16
53°
37°
17
54°
35°
18
58°
35°
19
57°
34°
20
51°
30°
21
50°
29°
22
49°
36°
23
50°
30°
24
51°
29°
25
48°
26°
26
46°
27°
27
48°
27°
28
47°
31°
29
48°
35°
30
50°
25°
31
49°
23°
1
Hist. Avg.
50°
30°
2
Hist. Avg.
50°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Cullman
Cullman's December 2026 forecast shows daily high temperatures ranging from 46° to 65°, with overnight lows between 23° and 41°. The average high for December is 52° with an average low of 31°. 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 Cullman. See also: January | February | March.
