S
M
T
W
T
F
S
29
39°
24°
30
42°
29°
1
45°
33°
2
43°
30°
3
45°
31°
4
49°
35°
5
50°
26°
6
37°
23°
7
37°
30°
8
46°
35°
9
45°
34°
10
42°
33°
11
46°
34°
12
47°
31°
13
39°
26°
14
37°
23°
15
34°
22°
16
33°
22°
17
36°
26°
18
42°
31°
19
46°
31°
20
44°
33°
21
46°
29°
22
37°
27°
23
38°
28°
24
45°
32°
25
33°
17°
26
34°
17°
27
34°
22°
28
33°
29°
29
47°
25°
30
46°
23°
31
35°
19°
1
35°
18°
2
34°
16°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Coaldale
Coaldale's December 2026 forecast shows daily high temperatures ranging from 33° to 50°, with overnight lows between 16° and 35°. The average high for December is 41° with an average low of 27°. 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 Coaldale. See also: January | February | March.