Current sea water temperature:
+80.4°F
| Minimum sea water temperature in June: | 81.7°F |
| Maximum sea water temperature in June: | 76.3°F |
| Average sea water temperature in June: | 79.3°F |
| more information | |
14 days
forecast
forecast
| Kailua Kona |
monthly
weather
weather
| Kailua Kona |
Sea water temperature for the last 10 days:
| June 29 | 80.4°F | June 24 | 80.8°F |
| June 28 | 80.4°F | June 23 | 80.8°F |
| June 27 | 80.2°F | June 22 | 80.8°F |
| June 26 | 80.6°F | June 21 | 80.8°F |
| June 25 | 80.8°F | June 20 | 80.2°F |
Monthly sea water temperature, °F
When is the warmest sea in Kailua Kona?
Based on the data about daily sea water temperature for the last three years the warmest sea in Kailua Kona was noticed in September, October and August.
Monthly Sea Temperatures in Kailua Kona, °F
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 80.9°F. The highest and lowest sea temperatures during the month were 81.3°F and 80.1°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 80.9°F. The highest and lowest sea temperatures during the month were 81.3°F and 80.4°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.
current
weather
weather
| Kailua Kona |
weather in
July
July
| Kailua Kona |
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: 08:40
June 29, monday
0900
79°F
NE
4 mph
4 mph
1200
79°F
E
6 mph
6 mph
1500
79°F
SE
5 mph
5 mph
1800
79°F
SE
3 mph
3 mph
2100
77°F
NE
1 mph
1 mph
June 30, tuesday
0000
77°F
SE
0 mph
0 mph
0300
77°F
E
1 mph
1 mph
0600
77°F
NE
2 mph
2 mph
