Current sea water temperature:
+75.2°F
| Minimum sea water temperature in February: | 77.7°F |
| Maximum sea water temperature in February: | 73.2°F |
| Average sea water temperature in February: | 76.1°F |
| more information | |
14 days
forecast
forecast
| Hilo |
monthly
weather
weather
| Hilo |
Sea water temperature for the last 10 days:
| February 25 | 75.2°F | February 20 | 75.7°F |
| February 24 | 75.6°F | February 19 | 75.7°F |
| February 23 | 75.7°F | February 18 | 75.7°F |
| February 22 | 75.2°F | February 17 | 75.7°F |
| February 21 | 75.4°F | February 16 | 75.6°F |
Monthly sea water temperature, °F
When is the warmest sea in Hilo?
Based on the data about daily sea water temperature for the last three years the warmest sea in Hilo was noticed in September, October and August.
Monthly Sea Temperatures in Hilo, °F
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 80.4°F. The highest and lowest sea temperatures during the month were 80.8°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 80.3°F. The highest and lowest sea temperatures during the month were 80.8°F and 79.7°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 80.6°F and 79.2°F.
current
weather
weather
| Hilo |
weather in
March
March
| Hilo |
Best time for vacation in Hilo
Hilo on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Hilo
Local time: 15:26
February 25, wednesday
1800
66°F
SW
7 mph
7 mph
2100
64°F
SW
6 mph
6 mph
February 26, thursday
0000
64°F
SW
5 mph
5 mph
0300
64°F
SW
6 mph
6 mph
0600
64°F
SW
4 mph
4 mph
0900
66°F
W
6 mph
6 mph
1200
68°F
W
8 mph
8 mph
1500
68°F
W
7 mph
7 mph
