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
Kahului 77.2°F 77.1°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
Key Largo 71.7°F 71.1°F
Miami 71.2°F 70.7°F
Everglades 70.8°F 68.6°F
Marco Island 68.2°F 65.2°F
Naples 67.7°F 64.7°F
Cape Coral 67.3°F 64.3°F
Cocoa Beach 66.9°F 60.9°F
Siesta Key 65.0°F 61.5°F
Sarasota 65.0°F 61.2°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
December 1 day
February 1 day
Windiest months:
July 13.0 mph
May 11.8 mph
June 11.7 mph

Oahu on a weather map

Oahu
+68°F
W 5 mph
Feels like: +68°F
Precip.: 100%
Places in USA:
Name
°F
+55°F
+72°F
+72°F
+73°F
+64°F
+81°F
+75°F
+64°F
+48°F
+66°F
+52°F
+84°F
+86°F
+57°F
+43°F
24 Hours Forecast
Oahu
Local time: 04:34
April 06, monday
0600
66°F
W
4 mph
0900
72°F
W
5 mph
1200
77°F
NW
5 mph
1500
75°F
NW
3 mph
1800
72°F
W
4 mph
2100
68°F
W
6 mph
April 07, tuesday
0000
68°F
W
3 mph
0300
68°F
W
3 mph
Units of measurement: °C / °F