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