World Resorts USA Kauai Weather

Kauai Sea Temperature in January

Average sea water temperature in January:
+76.6°F
Minimum sea water temperature in January: 78.6°F
Maximum sea water temperature in January: 73.6°F

Daily sea water temperature in January, °F

Show year:
2026
2025
2024

The average sea water temperature in January of 2026 was 77.0°F. The highest and lowest sea temperatures during the month were 77.5°F and 76.3°F.

Monthly sea water temperature in Kauai, °F

Which USA resorts have warmest sea in January?

Place name January 2026 January 2025
Hilo 77.3°F 77.2°F
Molokai 77.3°F 77.4°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
Naples 67.7°F 64.7°F
Cocoa Beach 66.9°F 60.9°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

Best time for vacation in Kauai

Sunniest months:
January 6 days
December 5 days
February 4 days
Warmest months:
September 80.3 °F
August 80.0 °F
July 79.2 °F
Warmest sea temp:
September 80.6 °F
October 80.4 °F
August 79.6 °F
Coldest months:
February 73.6 °F
March 74.2 °F
January 74.6 °F
Rainiest months:
March 2 days
January 2 days
February 2 days
Windiest months:
July 11.7 mph
June 10.9 mph
May 10.8 mph

Kauai on a weather map

Kauai
+73°F
W 12 mph
Feels like: +77°F
Precip.: 36%
Places in USA:
Name
°F
+66°F
+77°F
+79°F
+59°F
+79°F
+84°F
+72°F
+73°F
+70°F
+63°F
+54°F
+75°F
+73°F
+79°F
+66°F
24 Hours Forecast
Kauai
Local time: 23:16
June 26, friday
0000
73°F
W
12 mph
0300
73°F
W
12 mph
0600
73°F
W
11 mph
0900
77°F
W
12 mph
1200
79°F
W
12 mph
1500
79°F
W
14 mph
1800
77°F
W
12 mph
2100
75°F
W
11 mph
Units of measurement: °C / °F