S
M
T
W
T
F
S
29
62°
28°
30
61°
26°
1
49°
26°
2
48°
27°
3
51°
32°
4
53°
42°
5
57°
42°
6
66°
35°
7
66°
29°
8
50°
32°
9
52°
36°
10
50°
34°
11
53°
28°
12
49°
31°
13
47°
26°
14
47°
25°
15
45°
26°
16
46°
27°
17
47°
25°
18
45°
31°
19
47°
36°
20
51°
39°
21
58°
34°
22
59°
34°
23
53°
30°
24
49°
24°
25
45°
23°
26
44°
24°
27
47°
27°
28
47°
29°
29
48°
23°
30
45°
25°
31
47°
24°
1
49°
26°
2
54°
28°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Sheridan
Sheridan's December 2026 forecast shows daily high temperatures ranging from 44° to 66°, with overnight lows between 23° and 42°. The average high for December is 51° with an average low of 30°. 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 Sheridan. See also: January | February | March.
