20.07
mon
mon
Day
79°F
W 7 mph
Precip.
15%
15%
Night
77°F
SW 7 mph
Precip.
19%
19%
21.07
tue
tue
Day
79°F
SW 9 mph
Precip.
36%
36%
Night
75°F
W 12 mph
Precip.
27%
27%
22.07
wed
wed
Day
79°F
SW 9 mph
Precip.
5%
5%
Night
75°F
W 11 mph
Precip.
17%
17%
23.07
thu
thu
Day
79°F
SW 12 mph
Precip.
16%
16%
Night
75°F
SW 11 mph
Precip.
7%
7%
24.07
fri
fri
Day
79°F
W 10 mph
Precip.
4%
4%
Night
75°F
W 12 mph
Precip.
16%
16%
25.07
sat
sat
Day
79°F
SW 9 mph
Precip.
22%
22%
Night
75°F
W 10 mph
Precip.
25%
25%
26.07
sun
sun
Day
79°F
SW 11 mph
Precip.
5%
5%
Night
73°F
SW 9 mph
Precip.
6%
6%
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 79.3°F. The highest and lowest sea temperatures during the month were 79.7°F and 78.8°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 79.9°F. The highest and lowest sea temperatures during the month were 80.4°F and 79.3°F.
Air temperature in Kahului, °F
Precipitation total in Kahului, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Kahului
Kahului on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Kahului
Local time: 23:42
July 21, tuesday
0000
77°F
SW
7 mph
7 mph
0300
75°F
SW
7 mph
7 mph
0600
75°F
SW
7 mph
7 mph
0900
77°F
SW
8 mph
8 mph
1200
79°F
SW
9 mph
9 mph
1500
79°F
W
9 mph
9 mph
1800
77°F
SW
11 mph
11 mph
2100
77°F
W
11 mph
11 mph
