World Resorts USA Oahu Weather

Oahu Sea Temperature in January

Average sea water temperature in January:
+76.5°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 76.4°F. The highest and lowest sea temperatures during the month were 76.8°F and 75.9°F.

Monthly sea water temperature in Oahu, °F

Which USA resorts have warmest sea in January?

Place name January 2026 January 2025
Kailua Kona 78.7°F 78.2°F
Honolulu 77.8°F 77.6°F
Hawaii 77.7°F 77.5°F
Kauai 77.2°F 75.0°F
Maui 77.1°F 76.9°F
West Palm Beach 77.0°F 75.5°F
Fort Lauderdale 76.4°F 75.1°F
Oahu 76.4°F 76.5°F
Miami Beach 74.5°F 73.1°F
Key West 73.6°F 70.3°F
Islamorada 73.3°F 71.3°F
Key Largo 72.2°F 71.1°F
Miami 71.6°F 70.7°F
South Padre Island 71.4°F 66.7°F
Everglades 71.4°F 68.6°F
Marco Island 69.5°F 65.2°F
Naples 69.2°F 64.7°F
Sanibel Island 69.2°F 63.7°F
Cocoa Beach 68.3°F 60.9°F
Corpus Christi 67.7°F 61.6°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
+64°F
S 13 mph
Feels like: +64°F
Precip.: 0%
Places in USA:
Name
°F
+27°F
+68°F
+68°F
+63°F
+72°F
+61°F
+63°F
+64°F
+25°F
+61°F
+59°F
+54°F
+50°F
+52°F
+23°F
24 Hours Forecast
Oahu
Local time: 17:11
January 15, thursday
1800
64°F
S
13 mph
2100
63°F
S
11 mph
January 16, friday
0000
63°F
SW
12 mph
0300
63°F
SW
12 mph
0600
63°F
SW
12 mph
0900
66°F
SW
13 mph
1200
70°F
SW
14 mph
1500
70°F
SW
14 mph
Units of measurement: °C / °F