S
M
T
W
T
F
S
26
80°
61°
27
86°
73°
28
79°
70°
29
70°
61°
30
N/A
1
67°
47°
2
73°
44°
3
79°
53°
4
80°
63°
5
75°
53°
6
74°
51°
7
76°
48°
8
77°
54°
9
74°
56°
10
78°
59°
11
81°
60°
12
82°
59°
13
81°
57°
14
82°
58°
15
83°
63°
16
83°
62°
17
82°
64°
18
83°
64°
19
84°
63°
20
84°
64°
21
81°
64°
22
82°
63°
23
79°
63°
24
83°
65°
25
85°
65°
26
79°
62°
27
79°
59°
28
82°
63°
29
85°
64°
30
86°
66°
31
87°
66°
1
87°
67°
2
86°
67°
3
87°
68°
4
88°
66°
5
83°
62°
6
82°
61°
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 67° to 88°, with overnight lows between 44° and 68°. The average high for May is 81° with an average low of 60°. 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.
