S
M
T
W
T
F
S
26
62°
42°
27
65°
49°
28
64°
52°
29
55°
39°
30
58°
35°
1
48°
32°
2
54°
29°
3
63°
39°
4
81°
49°
5
57°
45°
6
54°
40°
7
56°
45°
8
61°
44°
9
65°
50°
10
54°
42°
11
54°
40°
12
57°
48°
13
64°
51°
14
59°
46°
15
64°
50°
16
67°
52°
17
71°
50°
18
64°
51°
19
69°
55°
20
68°
55°
21
68°
46°
22
63°
46°
23
63°
47°
24
65°
47°
25
64°
48°
26
64°
48°
27
65°
49°
28
66°
48°
29
66°
52°
30
68°
58°
31
73°
54°
1
68°
53°
2
71°
58°
3
73°
59°
4
75°
60°
5
77°
60°
6
78°
62°
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 54° to 81°, with overnight lows between 40° and 62°. The average high for May is 66° 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 South Haven. See also: June | July | August.
