S
M
T
W
T
F
S
26
77°
64°
27
77°
66°
28
78°
68°
29
79°
68°
30
80°
67°
1
79°
68°
2
79°
68°
3
78°
67°
4
78°
68°
5
79°
67°
6
80°
68°
7
79°
67°
8
79°
68°
9
80°
67°
10
79°
69°
11
79°
68°
12
80°
68°
13
79°
68°
14
79°
68°
15
80°
69°
16
80°
69°
17
79°
68°
18
79°
69°
19
80°
68°
20
79°
67°
21
80°
68°
22
83°
67°
23
81°
66°
24
82°
66°
25
83°
67°
26
82°
66°
27
81°
67°
28
82°
66°
29
82°
66°
30
83°
67°
31
82°
66°
1
82°
68°
2
83°
68°
3
82°
67°
4
82°
68°
5
83°
68°
6
82°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Hanalei
Hanalei's May 2026 forecast shows daily high temperatures ranging from 77° to 83°, with overnight lows between 64° and 69°. The average high for May is 80° 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 Hanalei. See also: June | July | August.
