S
M
T
W
T
F
S
29
54°
32°
30
55°
33°
1
51°
34°
2
54°
33°
3
54°
31°
4
58°
34°
5
58°
27°
6
52°
27°
7
52°
30°
8
53°
32°
9
53°
25°
10
50°
30°
11
50°
30°
12
51°
28°
13
50°
27°
14
50°
25°
15
51°
26°
16
50°
27°
17
50°
27°
18
53°
31°
19
55°
26°
20
51°
24°
21
49°
25°
22
50°
26°
23
50°
24°
24
51°
26°
25
50°
26°
26
51°
27°
27
52°
27°
28
53°
25°
29
51°
24°
30
50°
26°
31
51°
27°
1
53°
27°
2
54°
28°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Idyllwild
Idyllwild's December 2026 forecast shows daily high temperatures ranging from 49° to 58°, with overnight lows between 24° and 34°. The average high for December is 52° with an average low of 28°. 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 Idyllwild. See also: January | February | March.
