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