16.05
sat
sat
Day
77°F
W 12 mph
Precip.
100%
100%
Night
77°F
SW 4 mph
Precip.
63%
63%
17.05
sun
sun
Day
79°F
W 16 mph
Precip.
0%
0%
Night
75°F
W 18 mph
Precip.
74%
74%
18.05
mon
mon
Day
77°F
W 20 mph
Precip.
86%
86%
Night
75°F
SW 19 mph
Precip.
87%
87%
19.05
tue
tue
Day
77°F
W 22 mph
Precip.
72%
72%
Night
73°F
SW 22 mph
Precip.
86%
86%
20.05
wed
wed
Day
77°F
SW 25 mph
Precip.
75%
75%
Night
73°F
W 25 mph
Precip.
70%
70%
21.05
thu
thu
Day
75°F
SW 25 mph
Precip.
78%
78%
Night
73°F
SW 25 mph
Precip.
80%
80%
22.05
fri
fri
Day
75°F
SW 24 mph
Precip.
28%
28%
Night
73°F
W 24 mph
Precip.
80%
80%
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 77.9°F. The highest and lowest sea temperatures during the month were 78.3°F and 77.4°F.
Air temperature in Hawaii, °F
Precipitation total in Hawaii, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Hawaii
Hawaii on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Hawaii
Local time: 13:27
May 16, saturday
1500
79°F
W
11 mph
11 mph
1800
77°F
W
5 mph
5 mph
2100
77°F
W
2 mph
2 mph
May 17, sunday
0000
77°F
SW
4 mph
4 mph
0300
75°F
SW
9 mph
9 mph
0600
75°F
SW
11 mph
11 mph
0900
77°F
SW
17 mph
17 mph
1200
79°F
W
16 mph
16 mph
