S
M
T
W
T
F
S
29
62°
36°
30
62°
38°
1
65°
42°
2
67°
45°
3
65°
46°
4
66°
47°
5
65°
44°
6
67°
45°
7
64°
37°
8
55°
33°
9
55°
34°
10
54°
31°
11
53°
31°
12
53°
30°
13
54°
33°
14
54°
43°
15
64°
43°
16
61°
38°
17
52°
38°
18
61°
37°
19
65°
37°
20
64°
43°
21
53°
30°
22
53°
40°
23
59°
38°
24
64°
29°
25
57°
24°
26
50°
28°
27
50°
31°
28
59°
42°
29
64°
35°
30
66°
28°
31
60°
34°
1
55°
34°
2
54°
25°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Shellman
Shellman's December 2026 forecast shows daily high temperatures ranging from 50° to 67°, with overnight lows between 24° and 47°. The average high for December is 59° with an average low of 36°. 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 Shellman. See also: January | February | March.