S
M
T
W
T
F
S
26
57°
34°
27
55°
34°
28
57°
32°
29
57°
34°
30
66°
34°
1
72°
37°
2
79°
52°
3
77°
54°
4
64°
50°
5
55°
46°
6
57°
44°
7
55°
42°
8
57°
44°
9
58°
47°
10
61°
51°
11
58°
50°
12
57°
48°
13
57°
50°
14
57°
49°
15
56°
49°
16
58°
50°
17
58°
50°
18
59°
51°
19
53°
50°
20
53°
52°
21
54°
51°
22
61°
53°
23
54°
54°
24
58°
54°
25
61°
56°
26
60°
56°
27
62°
58°
28
64°
57°
29
62°
55°
30
62°
57°
31
63°
58°
1
63°
58°
2
64°
57°
3
64°
58°
4
65°
59°
5
64°
59°
6
63°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Heiligenhafen
Heiligenhafen's May 2026 forecast shows daily high temperatures ranging from 53° to 65°, with overnight lows between 42° and 59°. The average high for May is 59° with an average low of 53°. 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 Heiligenhafen. See also: June | July | August.