S
M
T
W
T
F
S
27
71°
41°
28
71°
43°
29
68°
45°
30
68°
46°
1
70°
47°
2
73°
42°
3
78°
44°
4
73°
44°
5
71°
47°
6
72°
43°
7
72°
45°
8
73°
42°
9
73°
41°
10
72°
40°
11
73°
43°
12
73°
45°
13
70°
42°
14
71°
42°
15
71°
43°
16
71°
40°
17
73°
45°
18
73°
45°
19
73°
44°
20
74°
44°
21
75°
42°
22
73°
44°
23
74°
45°
24
75°
41°
25
74°
41°
26
72°
39°
27
72°
43°
28
71°
46°
29
74°
41°
30
73°
40°
31
71°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Hapuna Beach State Park
Hapuna Beach State Park's May 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 Hapuna Beach State Park. See also: June | July | August.