S
M
T
W
T
F
S
29
48°
34°
30
50°
39°
31
48°
37°
1
53°
34°
2
57°
31°
3
59°
37°
4
62°
49°
5
68°
48°
6
63°
43°
7
69°
40°
8
72°
42°
9
71°
40°
10
58°
48°
11
71°
42°
12
56°
46°
13
52°
45°
14
58°
45°
15
66°
40°
16
69°
48°
17
73°
44°
18
73°
50°
19
63°
43°
20
59°
40°
21
58°
39°
22
63°
39°
23
67°
41°
24
65°
41°
25
65°
41°
26
60°
42°
27
63°
43°
28
67°
45°
29
69°
46°
30
70°
48°
1
67°
48°
2
59°
45°
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 58° to 73°, with overnight lows between 39° and 50°. The average high for April is 65° with an average low of 43°. 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.
