S
M
T
W
T
F
S
26
71°
54°
27
71°
51°
28
71°
55°
29
70°
56°
30
72°
60°
1
72°
60°
2
73°
61°
3
71°
59°
4
75°
63°
5
70°
62°
6
70°
59°
7
69°
54°
8
69°
48°
9
69°
53°
10
71°
52°
11
68°
60°
12
68°
58°
13
67°
58°
14
67°
58°
15
68°
57°
16
66°
56°
17
70°
61°
18
67°
64°
19
68°
61°
20
66°
57°
21
64°
57°
22
66°
58°
23
69°
60°
24
65°
58°
25
70°
61°
26
68°
61°
27
68°
62°
28
67°
63°
29
64°
60°
30
69°
54°
31
65°
48°
1
65°
47°
2
N/A
3
72°
51°
4
68°
53°
5
65°
50°
6
65°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Diamond Head
Diamond Head's May 2026 forecast shows daily high temperatures ranging from 65° to 72°, with overnight lows between 50° and 53°. The average high for May is 68° with an average low of 51°. 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 Diamond Head. See also: June | July | August.
