S
M
T
W
T
F
S
26
55°
37°
27
54°
36°
28
59°
36°
29
59°
37°
30
66°
37°
1
70°
39°
2
75°
50°
3
63°
48°
4
59°
45°
5
59°
43°
6
57°
41°
7
59°
39°
8
59°
41°
9
59°
39°
10
61°
43°
11
55°
41°
12
54°
45°
13
55°
41°
14
57°
39°
15
55°
41°
16
50°
43°
17
59°
41°
18
N/A
19
64°
51°
20
62°
48°
21
65°
51°
22
72°
53°
23
76°
56°
24
75°
53°
25
70°
50°
26
72°
52°
27
73°
51°
28
72°
50°
29
69°
48°
30
68°
49°
31
61°
47°
1
60°
45°
2
60°
47°
3
61°
48°
4
61°
48°
5
62°
52°
6
63°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Flensburg
Flensburg's May 2026 forecast shows daily high temperatures ranging from 60° to 76°, with overnight lows between 45° and 56°. 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 Flensburg. See also: June | July | August.
