Average sea water temperature in May:
+77.4°F
| Minimum sea water temperature in May: | 79.0°F |
| Maximum sea water temperature in May: | 75.0°F |
Daily sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 78.1°F. The highest and lowest sea temperatures during the month were 78.6°F and 77.4°F.
Monthly sea water temperature in Hilo, °F
Which USA resorts have warmest sea in May?
| Place name | May 2026 | May 2025 |
|---|---|---|
| Key West | 84.3°F | 83.5°F |
| Miami | 83.3°F | 82.6°F |
| Naples | 82.9°F | 83.5°F |
| Miami Beach | 82.7°F | 82.4°F |
| Tampa | 81.9°F | 82.7°F |
| Sarasota | 81.5°F | 82.7°F |
| Orlando | 78.4°F | 77.2°F |
| Houston | 78.4°F | 79.5°F |
| Daytona Beach | 78.1°F | 76.0°F |
| New Orleans | 78.0°F | 79.5°F |
| Honolulu | 78.0°F | 78.1°F |
| Hawaii | 77.9°F | 78.0°F |
| Lanai | 77.9°F | 78.7°F |
| Maui | 77.0°F | 77.5°F |
| Panama City Beach | 76.8°F | 79.0°F |
| Kauai | 76.3°F | 75.1°F |
| Princeville | 76.3°F | 75.2°F |
| Oahu | 76.1°F | 77.1°F |
| Destin | 75.9°F | 78.7°F |
| Jacksonville | 75.9°F | 77.6°F |
Best time for vacation in Hilo
Hilo on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Hilo
Local time: 05:36
July 05, sunday
0600
72°F
S
6 mph
6 mph
0900
75°F
SW
7 mph
7 mph
1200
77°F
SW
11 mph
11 mph
1500
75°F
SW
11 mph
11 mph
1800
73°F
SW
11 mph
11 mph
2100
72°F
SW
8 mph
8 mph
July 06, monday
0000
72°F
SW
7 mph
7 mph
0300
72°F
SW
8 mph
8 mph
