S
M
T
W
T
F
S
26
81°
71°
27
81°
69°
28
81°
73°
29
81°
71°
30
81°
70°
1
80°
71°
2
81°
71°
3
80°
70°
4
81°
70°
5
81°
69°
6
80°
66°
7
81°
67°
8
80°
69°
9
79°
70°
10
81°
71°
11
81°
71°
12
82°
69°
13
82°
72°
14
81°
70°
15
80°
67°
16
83°
69°
17
82°
74°
18
82°
75°
19
81°
74°
20
81°
73°
21
81°
73°
22
79°
73°
23
80°
69°
24
79°
68°
25
80°
70°
26
78°
69°
27
79°
66°
28
80°
65°
29
79°
65°
30
81°
63°
31
79°
67°
1
82°
68°
2
82°
68°
3
81°
70°
4
79°
69°
5
78°
70°
6
78°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Kilauea
Kilauea's May 2026 forecast shows daily high temperatures ranging from 78° to 82°, with overnight lows between 63° and 73°. The average high for May is 80° with an average low of 68°. 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 Kilauea. See also: June | July | August.
