S
M
T
W
T
F
S
26
80°
54°
27
83°
61°
28
67°
53°
29
66°
48°
30
65°
39°
1
64°
41°
2
64°
39°
3
75°
38°
4
79°
58°
5
66°
45°
6
63°
46°
7
69°
46°
8
79°
54°
9
85°
62°
10
73°
45°
11
75°
50°
12
75°
53°
13
81°
58°
14
78°
61°
15
84°
62°
16
85°
62°
17
82°
61°
18
79°
55°
19
81°
59°
20
77°
55°
21
81°
52°
22
72°
51°
23
74°
52°
24
73°
54°
25
73°
53°
26
74°
52°
27
75°
53°
28
76°
56°
29
77°
59°
30
79°
61°
31
78°
62°
1
77°
60°
2
78°
56°
3
78°
63°
4
79°
63°
5
79°
64°
6
80°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Many Islands
Many Islands's May 2026 forecast shows daily high temperatures ranging from 63° to 85°, with overnight lows between 45° and 64°. The average high for May is 77° with an average low of 56°. 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 Many Islands. See also: June | July | August.