S
M
T
W
T
F
S
29
44°
30°
30
46°
31°
1
45°
30°
2
43°
31°
3
46°
29°
4
45°
28°
5
44°
28°
6
43°
29°
7
44°
27°
8
37°
26°
9
36°
27°
10
38°
27°
11
39°
26°
12
37°
24°
13
39°
18°
14
38°
17°
15
33°
16°
16
30°
16°
17
32°
17°
18
32°
23°
19
33°
22°
20
38°
21°
21
38°
20°
22
35°
19°
23
35°
8°
24
33°
16°
25
28°
17°
26
29°
7°
27
28°
4°
28
26°
8°
29
28°
7°
30
28°
14°
31
30°
20°
1
37°
17°
2
37°
12°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Sheldon
Sheldon's December 2026 forecast shows daily high temperatures ranging from 26° to 46°, with overnight lows between 4° and 31°. The average high for December is 36° with an average low of 20°. 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 Sheldon. See also: January | February | March.
