World Resorts USA Oahu Weather

Oahu Sea Temperature in May

Average sea water temperature in May:
+76.8°F
Minimum sea water temperature in May: 78.3°F
Maximum sea water temperature in May: 74.8°F

Daily sea water temperature in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 77.1°F. The highest and lowest sea temperatures during the month were 77.7°F and 76.5°F.

Monthly sea water temperature in Oahu, °F

Which USA resorts have warmest sea in May?

Place name May 2025 May 2024
Everglades 84.5°F 84.6°F
Islamorada 83.6°F 84.4°F
Key West 83.5°F 84.6°F
Naples 83.5°F 83.8°F
Marco Island 83.5°F 84.0°F
Key Largo 83.5°F 84.1°F
Sanibel Island 83.1°F 83.2°F
Sarasota 82.7°F 82.9°F
Tampa 82.7°F 82.5°F
St. Petersburg 82.6°F 82.4°F
Clearwater Beach 82.6°F 82.5°F
Miami 82.6°F 83.3°F
Siesta Key 82.5°F 82.6°F
Miami Beach 82.4°F 83.0°F
Fort Lauderdale 81.1°F 81.7°F
West Palm Beach 81.1°F 81.5°F
Corpus Christi 80.9°F 81.0°F
Pensacola 80.1°F 79.4°F
South Padre Island 80.0°F 81.1°F
Pass Christian 79.8°F 79.8°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
+70°F
W 2 mph
Feels like: +70°F
Precip.: 60%
Places in USA:
Name
°F
+48°F
+73°F
+73°F
+45°F
+52°F
+64°F
+64°F
+68°F
+36°F
+54°F
+46°F
+59°F
+59°F
+59°F
+30°F
24 Hours Forecast
Oahu
Local time: 20:47
December 28, sunday
2100
70°F
W
2 mph
December 29, monday
0000
70°F
NW
3 mph
0300
68°F
W
3 mph
0600
68°F
W
4 mph
0900
72°F
W
4 mph
1200
75°F
W
6 mph
1500
77°F
W
4 mph
1800
72°F
SW
5 mph
Units of measurement: °C / °F