S
M
T
W
T
F
S
29
42°
26°
30
43°
28°
1
44°
36°
2
44°
38°
3
45°
40°
4
48°
40°
5
45°
39°
6
48°
39°
7
48°
35°
8
43°
32°
9
41°
28°
10
42°
27°
11
56°
34°
12
59°
25°
13
58°
23°
14
38°
24°
15
41°
23°
16
42°
22°
17
39°
28°
18
45°
38°
19
51°
39°
20
55°
37°
21
57°
34°
22
55°
38°
23
54°
38°
24
58°
23°
25
58°
21°
26
41°
21°
27
38°
26°
28
46°
34°
29
49°
36°
30
52°
38°
31
55°
39°
1
55°
33°
2
57°
23°
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 38° to 59°, with overnight lows between 21° and 40°. The average high for December is 48° with an average low of 32°. 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.
