S
M
T
W
T
F
S
29
67°
45°
30
68°
37°
1
56°
31°
2
52°
30°
3
54°
36°
4
59°
40°
5
55°
36°
6
53°
32°
7
53°
30°
8
50°
28°
9
50°
27°
10
51°
29°
11
55°
30°
12
58°
36°
13
57°
38°
14
55°
31°
15
53°
29°
16
51°
31°
17
52°
29°
18
50°
25°
19
49°
24°
20
50°
26°
21
52°
27°
22
55°
27°
23
51°
25°
24
48°
24°
25
49°
26°
26
49°
28°
27
51°
27°
28
52°
27°
29
51°
25°
30
49°
26°
31
51°
24°
1
49°
25°
2
51°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Rainbow
Rainbow's December 2026 forecast shows daily high temperatures ranging from 48° to 68°, with overnight lows between 24° and 45°. The average high for December is 53° 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 Rainbow. See also: January | February | March.
