21.07
tue
tue
Day
81°F
NE 8 mph
Precip.
12%
12%
Night
77°F
SE 4 mph
Precip.
25%
25%
22.07
wed
wed
Day
79°F
SE 9 mph
Precip.
29%
29%
Night
77°F
SE 4 mph
Precip.
23%
23%
23.07
thu
thu
Day
81°F
NE 7 mph
Precip.
17%
17%
Night
77°F
N 4 mph
Precip.
21%
21%
24.07
fri
fri
Day
81°F
E 5 mph
Precip.
11%
11%
Night
77°F
E 3 mph
Precip.
16%
16%
25.07
sat
sat
Day
81°F
NE 9 mph
Precip.
11%
11%
Night
77°F
NE 1 mph
Precip.
4%
4%
26.07
sun
sun
Day
81°F
E 6 mph
Precip.
6%
6%
Night
77°F
NE 4 mph
Precip.
12%
12%
27.07
mon
mon
Day
81°F
E 5 mph
Precip.
5%
5%
Night
75°F
E 5 mph
Precip.
30%
30%
sea water
temperature
temperature
| Kailua Kona |
monthly
weather
weather
| Kailua Kona |
current
weather
weather
| Kailua Kona |
14 days
forecast
forecast
| Kailua Kona |
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 81.0°F. The highest and lowest sea temperatures during the month were 81.7°F and 80.1°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 80.9°F. The highest and lowest sea temperatures during the month were 81.1°F and 80.6°F.
Air temperature in Kailua Kona, °F
Precipitation total in Kailua Kona, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Kailua Kona
Kailua Kona on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Kailua Kona
Local time: 03:25
July 21, tuesday
0600
77°F
N
4 mph
4 mph
0900
79°F
N
4 mph
4 mph
1200
81°F
NE
8 mph
8 mph
1500
81°F
E
6 mph
6 mph
1800
79°F
SE
7 mph
7 mph
2100
79°F
SE
8 mph
8 mph
July 22, wednesday
0000
77°F
SE
4 mph
4 mph
0300
77°F
NW
2 mph
2 mph
