S
M
T
W
T
F
S
26
55°
36°
27
65°
37°
28
63°
35°
29
58°
39°
30
56°
46°
1
60°
39°
2
58°
47°
3
58°
42°
4
63°
51°
5
66°
54°
6
62°
53°
7
62°
41°
8
62°
46°
9
59°
50°
10
65°
51°
11
64°
47°
12
61°
46°
13
60°
51°
14
61°
50°
15
63°
52°
16
67°
52°
17
66°
50°
18
71°
54°
19
70°
54°
20
71°
53°
21
68°
54°
22
70°
50°
23
65°
47°
24
63°
50°
25
65°
49°
26
65°
52°
27
66°
49°
28
66°
51°
29
67°
50°
30
66°
50°
31
67°
58°
1
71°
57°
2
69°
54°
3
68°
57°
4
73°
59°
5
71°
58°
6
70°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in South Haven
South Haven's May 2026 forecast shows daily high temperatures ranging from 59° to 73°, with overnight lows between 41° and 59°. The average high for May is 66° with an average low of 52°. 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 South Haven. See also: June | July | August.
