S
M
T
W
T
F
S
30
47°
40°
1
46°
30°
2
46°
28°
3
44°
31°
4
43°
30°
5
44°
33°
6
49°
32°
7
55°
47°
8
59°
50°
9
58°
41°
10
53°
45°
11
55°
43°
12
56°
41°
13
48°
41°
14
50°
39°
15
51°
35°
16
49°
33°
17
50°
29°
18
54°
35°
19
51°
34°
20
53°
42°
21
49°
35°
22
40°
32°
23
42°
34°
24
40°
34°
25
38°
30°
26
41°
28°
27
46°
25°
28
40°
26°
29
37°
22°
30
39°
24°
31
36°
18°
1
36°
26°
2
37°
31°
3
32°
28°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Karlsruhe
Karlsruhe's December 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for December is ° with an average low of °. 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 Karlsruhe. See also: January | February | March.
