S
M
T
W
T
F
S
26
59°
32°
27
57°
32°
28
N/A
29
63°
38°
30
68°
42°
1
75°
52°
2
78°
53°
3
66°
48°
4
66°
48°
5
63°
47°
6
62°
45°
7
63°
44°
8
64°
47°
9
62°
46°
10
63°
47°
11
61°
47°
12
67°
49°
13
66°
45°
14
61°
45°
15
63°
47°
16
67°
51°
17
68°
50°
18
62°
49°
19
65°
48°
20
68°
51°
21
70°
52°
22
69°
51°
23
70°
52°
24
71°
53°
25
71°
53°
26
70°
52°
27
64°
52°
28
63°
51°
29
67°
53°
30
71°
54°
31
72°
54°
1
72°
53°
2
71°
55°
3
73°
55°
4
73°
54°
5
72°
53°
6
70°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Groß Flottbek
Groß Flottbek's May 2026 forecast shows daily high temperatures ranging from 61° to 78°, with overnight lows between 38° and 55°. The average high for May is 67° 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 Groß Flottbek. See also: June | July | August.