S
M
T
W
T
F
S
26
79°
64°
27
78°
64°
28
79°
63°
29
79°
63°
30
78°
64°
1
76°
64°
2
78°
63°
3
77°
64°
4
74°
64°
5
75°
65°
6
76°
65°
7
76°
64°
8
77°
66°
9
78°
66°
10
80°
65°
11
81°
66°
12
82°
67°
13
83°
68°
14
83°
67°
15
82°
66°
16
79°
65°
17
82°
67°
18
81°
66°
19
82°
64°
20
85°
64°
21
83°
66°
22
84°
65°
23
85°
66°
24
85°
67°
25
86°
67°
26
86°
68°
27
87°
71°
28
88°
71°
29
88°
70°
30
87°
71°
31
88°
72°
1
88°
71°
2
87°
68°
3
88°
70°
4
89°
72°
5
89°
72°
6
88°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Diamondhead
Diamondhead's May 2026 forecast shows daily high temperatures ranging from 74° to 89°, with overnight lows between 63° and 72°. The average high for May is 82° with an average low of 67°. 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 Diamondhead. See also: June | July | August.
