World Resorts USA Oahu Weather

Oahu Sea Temperature in July

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:
2025
2024
2023

The average sea water temperature in July of 2025 was 78.0°F. The highest and lowest sea temperatures during the month were 79.0°F and 77.5°F.

Monthly sea water temperature in Oahu, °F

Which USA resorts have warmest sea in July?

Place name July 2025 July 2024
New Orleans 87.4°F 87.1°F
Bay Saint Louis 87.2°F 86.7°F
Clearwater Beach 87.1°F 88.3°F
St. Petersburg 87.0°F 88.0°F
Sarasota 86.9°F 87.9°F
Sanibel Island 86.9°F 87.7°F
Siesta Key 86.9°F 87.9°F
Pensacola 86.9°F 87.3°F
Tampa 86.8°F 87.4°F
Key West 86.7°F 87.6°F
Naples 86.6°F 87.2°F
Cape Coral 86.4°F 87.2°F
Islamorada 86.4°F 87.4°F
Miami 86.3°F 86.9°F
Panama City Beach 86.3°F 86.8°F
Houston 86.3°F 86.4°F
Destin 86.3°F 86.6°F
Key Largo 86.2°F 87.1°F
Miramar Beach 86.2°F 86.7°F
Santa Rosa Beach 86.2°F 86.6°F

Best time for vacation in Oahu

Sunniest months:
January 8 days
September 6 days
August 6 days
Warmest months:
September 82.3 °F
August 82.2 °F
July 81.2 °F
Warmest sea temp:
October 80.2 °F
September 80.1 °F
August 79.5 °F
Coldest months:
February 75.3 °F
March 76.0 °F
January 76.2 °F
Rainiest months:
March 1 day
December 1 day
April 1 day
Windiest months:
July 13.0 mph
May 11.8 mph
June 11.7 mph

Oahu on a weather map

Oahu
+73°F
SW 1 mph
Feels like: +77°F
Precip.: 100%
Places in USA:
Name
°F
+37°F
+77°F
+77°F
+54°F
+59°F
+72°F
+75°F
+72°F
+30°F
+59°F
+59°F
+59°F
+57°F
+72°F
+34°F
24 Hours Forecast
Oahu
Local time: 18:14
December 20, saturday
2100
72°F
SW
2 mph
December 21, sunday
0000
72°F
W
3 mph
0300
70°F
SW
3 mph
0600
70°F
W
4 mph
0900
73°F
W
6 mph
1200
77°F
W
9 mph
1500
77°F
W
9 mph
1800
73°F
W
6 mph
Units of measurement: °C / °F