S
M
T
W
T
F
S
29
65°
52°
30
70°
52°
1
69°
53°
2
70°
52°
3
66°
47°
4
58°
43°
5
62°
50°
6
63°
49°
7
64°
45°
8
59°
45°
9
57°
44°
10
57°
41°
11
56°
38°
12
56°
38°
13
58°
39°
14
59°
40°
15
57°
49°
16
63°
47°
17
70°
48°
18
64°
49°
19
65°
38°
20
64°
33°
21
58°
34°
22
53°
41°
23
56°
39°
24
67°
35°
25
67°
34°
26
54°
38°
27
55°
35°
28
55°
36°
29
56°
45°
30
59°
44°
31
68°
34°
1
66°
31°
2
54°
31°
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 53° to 70°, with overnight lows between 31° and 53°. The average high for December is 61° with an average low of 42°. 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.