World Resorts USA Oahu Weather

Oahu Sea Temperature in January

Average sea water temperature in January:
+76.4°F
Minimum sea water temperature in January: 77.9°F
Maximum sea water temperature in January: 75.0°F

Daily sea water temperature in January, °F

Show year:
2026
2025
2024

The average sea water temperature in January of 2026 was 76.1°F. The highest and lowest sea temperatures during the month were 76.8°F and 75.2°F.

Monthly sea water temperature in Oahu, °F

Which USA resorts have warmest sea in January?

Place name January 2026 January 2025
Kailua Kona 78.3°F 78.2°F
Honolulu 77.2°F 77.6°F
Hawaii 77.2°F 77.5°F
Maui 77.0°F 76.9°F
Kauai 77.0°F 75.0°F
West Palm Beach 76.6°F 75.5°F
Oahu 76.1°F 76.5°F
Fort Lauderdale 75.9°F 75.1°F
Miami Beach 74.0°F 73.1°F
Key West 72.5°F 70.3°F
Miami 71.2°F 70.7°F
South Padre Island 69.5°F 66.7°F
Naples 67.7°F 64.7°F
Siesta Key 65.0°F 61.5°F
Sarasota 65.0°F 61.2°F
Orlando 64.8°F 59.8°F
Tampa 64.3°F 60.4°F
Daytona Beach 64.1°F 59.7°F
Corpus Christi 63.9°F 61.6°F
St. Petersburg 63.5°F 59.6°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 74.8 °F
March 75.7 °F
January 76.0 °F
Rainiest months:
March 1 day
April 1 day
December 1 day
Windiest months:
July 13.0 mph
May 11.6 mph
August 11.3 mph

Oahu on a weather map

Oahu
+72°F
W 6 mph
Feels like: +77°F
Precip.: 13%
Places in USA:
Name
°F
+79°F
+77°F
+86°F
+66°F
+82°F
+70°F
+81°F
+75°F
+66°F
+57°F
+66°F
+88°F
+84°F
+82°F
+79°F
24 Hours Forecast
Oahu
Local time: 02:50
July 16, thursday
0300
72°F
W
6 mph
0600
72°F
W
6 mph
0900
77°F
W
7 mph
1200
82°F
W
8 mph
1500
81°F
W
11 mph
1800
77°F
W
11 mph
2100
73°F
W
8 mph
July 17, friday
0000
75°F
W
8 mph
Units of measurement: °C / °F