S
M
T
W
T
F
S
29
33°
10°
30
26°
4°
1
23°
5°
2
25°
12°
3
32°
12°
4
25°
10°
5
24°
7°
6
23°
3°
7
21°
1°
8
23°
4°
9
32°
5°
10
33°
4°
11
33°
8°
12
34°
10°
13
34°
10°
14
26°
11°
15
24°
14°
16
26°
7°
17
24°
4°
18
23°
4°
19
24°
5°
20
23°
9°
21
25°
7°
22
24°
4°
23
24°
10°
24
25°
5°
25
25°
14°
26
26°
13°
27
31°
2°
28
26°
3°
29
22°
5°
30
24°
1°
31
22°
6°
1
23°
10°
2
27°
11°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Coalmont
Coalmont's December 2026 forecast shows daily high temperatures ranging from 21° to 34°, with overnight lows between 1° and 14°. The average high for December is 26° with an average low of 7°. 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 Coalmont. See also: January | February | March.
