S
M
T
W
T
F
S
29
54°
27°
30
32°
25°
31
30°
19°
1
34°
19°
2
34°
28°
3
36°
28°
4
46°
28°
5
43°
25°
6
32°
16°
7
41°
21°
8
37°
27°
9
41°
25°
10
54°
23°
11
61°
43°
12
66°
33°
13
46°
34°
14
62°
37°
15
68°
37°
16
46°
20°
17
34°
19°
18
48°
26°
19
56°
29°
20
60°
35°
21
56°
33°
22
51°
27°
23
47°
27°
24
59°
32°
25
52°
34°
26
51°
32°
27
53°
35°
28
55°
28°
29
52°
32°
30
63°
36°
1
57°
41°
2
56°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Karlsruhe
Karlsruhe's April 2026 forecast shows daily high temperatures ranging from 34° to 68°, with overnight lows between 19° and 43°. The average high for April is 55° 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 April weather will actually feel in Karlsruhe. See also: May | June | July.
