S
M
T
W
T
F
S
29
40°
30°
30
40°
30°
1
41°
37°
2
45°
39°
3
44°
39°
4
45°
34°
5
47°
30°
6
46°
30°
7
42°
31°
8
43°
35°
9
46°
32°
10
43°
29°
11
44°
29°
12
43°
30°
13
45°
36°
14
41°
35°
15
47°
34°
16
45°
35°
17
42°
33°
18
44°
36°
19
47°
37°
20
45°
36°
21
43°
38°
22
47°
35°
23
46°
36°
24
45°
34°
25
46°
27°
26
45°
27°
27
37°
28°
28
36°
32°
29
40°
28°
30
38°
35°
31
46°
38°
1
47°
34°
2
47°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Rhododendron
Rhododendron's December 2026 forecast shows daily high temperatures ranging from 36° to 47°, with overnight lows between 27° and 39°. The average high for December is 44° with an average low of 33°. 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 Rhododendron. See also: January | February | March.