S
M
T
W
T
F
S
26
59°
42°
27
73°
38°
28
72°
51°
29
63°
46°
30
51°
36°
1
51°
31°
2
45°
31°
3
59°
27°
4
73°
45°
5
73°
57°
6
57°
45°
7
60°
35°
8
63°
39°
9
67°
47°
10
63°
43°
11
62°
34°
12
68°
35°
13
70°
47°
14
52°
42°
15
66°
38°
16
70°
47°
17
84°
56°
18
90°
65°
19
89°
65°
20
69°
44°
21
69°
48°
22
60°
52°
23
68°
57°
24
72°
55°
25
72°
54°
26
75°
55°
27
75°
56°
28
74°
56°
29
76°
54°
30
76°
55°
31
78°
50°
1
73°
54°
2
73°
55°
3
74°
55°
4
70°
54°
5
69°
52°
6
71°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Great Belt
Great Belt's May 2026 forecast shows daily high temperatures ranging from 60° to 90°, with overnight lows between 44° and 65°. The average high for May is 74° with an average low of 55°. 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 Great Belt. See also: June | July | August.