S
M
T
W
T
F
S
29
38°
25°
30
36°
25°
1
30°
24°
2
31°
23°
3
30°
23°
4
34°
22°
5
32°
23°
6
30°
18°
7
24°
10°
8
21°
11°
9
24°
14°
10
32°
21°
11
33°
21°
12
34°
20°
13
32°
20°
14
21°
19°
15
28°
17°
16
31°
17°
17
29°
18°
18
30°
17°
19
29°
12°
20
28°
5°
21
24°
16°
22
26°
13°
23
29°
16°
24
29°
12°
25
30°
8°
26
24°
13°
27
23°
16°
28
30°
14°
29
30°
10°
30
25°
9°
31
26°
2°
1
27°
-2°
2
16°
2°
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 16° to 38°, with overnight lows between -2° and 25°. The average high for December is 28° 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 Sheldon. See also: January | February | March.
