S
M
T
W
T
F
S
26
55°
39°
27
59°
40°
28
63°
45°
29
45°
38°
30
48°
35°
1
42°
31°
2
54°
27°
3
68°
36°
4
79°
42°
5
57°
37°
6
52°
30°
7
52°
32°
8
66°
33°
9
64°
36°
10
60°
31°
11
48°
31°
12
73°
31°
13
58°
37°
14
65°
45°
15
74°
57°
16
81°
49°
17
65°
57°
18
77°
58°
19
67°
45°
20
60°
44°
21
63°
47°
22
66°
46°
23
66°
47°
24
69°
49°
25
70°
51°
26
71°
48°
27
64°
53°
28
70°
52°
29
66°
51°
30
66°
51°
31
67°
48°
1
66°
46°
2
66°
46°
3
67°
50°
4
70°
57°
5
78°
59°
6
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Kiel
Kiel's May 2026 forecast shows daily high temperatures ranging from 58° to 81°, with overnight lows between 37° and 59°. The average high for May is 68° with an average low of 50°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Kiel. See also: June | July | August.