S
M
T
W
T
F
S
29
70°
43°
30
67°
43°
1
63°
46°
2
64°
44°
3
66°
44°
4
65°
45°
5
64°
46°
6
66°
45°
7
67°
44°
8
66°
48°
9
65°
49°
10
66°
50°
11
69°
50°
12
70°
49°
13
70°
49°
14
69°
48°
15
70°
49°
16
70°
49°
17
69°
47°
18
67°
44°
19
63°
49°
20
66°
49°
21
67°
48°
22
64°
47°
23
64°
50°
24
63°
48°
25
66°
45°
26
64°
46°
27
67°
47°
28
66°
44°
29
66°
43°
30
64°
45°
31
63°
43°
1
Hist. Avg.
68°
47°
2
Hist. Avg.
68°
47°
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 63° to 70°, with overnight lows between 43° and 50°. The average high for December is 66° with an average low of 47°. 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.
