Average sea water temperature in July:
+78.6°F
| Minimum sea water temperature in July: | 80.4°F |
| Maximum sea water temperature in July: | 77.4°F |
Daily sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 78.3°F. The highest and lowest sea temperatures during the month were 78.8°F and 77.7°F.
Monthly sea water temperature in Oahu, °F
Which USA resorts have warmest sea in July?
| Place name | July 2026 | July 2025 |
|---|---|---|
| Key West | 89.0°F | 86.7°F |
| Clearwater Beach | 88.9°F | 87.1°F |
| St. Petersburg | 88.6°F | 87.0°F |
| Sarasota | 88.4°F | 86.9°F |
| Siesta Key | 88.3°F | 86.9°F |
| Tampa | 88.3°F | 86.8°F |
| Naples | 88.1°F | 86.6°F |
| Miami | 87.5°F | 86.3°F |
| New Orleans | 87.1°F | 87.4°F |
| Miami Beach | 87.0°F | 86.0°F |
| Pensacola | 86.9°F | 86.9°F |
| Fort Lauderdale | 86.8°F | 85.0°F |
| Destin | 86.7°F | 86.3°F |
| Houston | 86.7°F | 86.3°F |
| Panama City Beach | 86.5°F | 86.3°F |
| West Palm Beach | 86.1°F | 84.6°F |
| Corpus Christi | 85.6°F | 85.3°F |
| Charleston (SC) | 85.4°F | 84.7°F |
| Isle of Palms | 85.3°F | 84.3°F |
| Jacksonville | 85.1°F | 80.4°F |
Best time for vacation in Oahu
Oahu on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Oahu
Local time: 02:50
July 16, thursday
0300
72°F
W
6 mph
6 mph
0600
72°F
W
6 mph
6 mph
0900
77°F
W
7 mph
7 mph
1200
82°F
W
8 mph
8 mph
1500
81°F
W
11 mph
11 mph
1800
77°F
W
11 mph
11 mph
2100
73°F
W
8 mph
8 mph
July 17, friday
0000
75°F
W
8 mph
8 mph
