World Resorts USA Kauai Weather

Kauai Sea Temperature in January

Average sea water temperature in January:
+76.5°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:
2025
2024
2023

The average sea water temperature in January of 2025 was 75.0°F. The highest and lowest sea temperatures during the month were 75.7°F and 73.6°F.

Monthly sea water temperature in Kauai, °F

Which USA resorts have warmest sea in January?

Place name January 2025 January 2024
Kailua Kona 78.2°F 77.6°F
Honolulu 77.6°F 76.6°F
Hawaii 77.5°F 76.5°F
Maui 76.9°F 76.8°F
Oahu 76.5°F 75.6°F
West Palm Beach 75.5°F 76.5°F
Fort Lauderdale 75.1°F 75.9°F
Kauai 75.0°F 76.0°F
Miami Beach 73.1°F 74.8°F
Islamorada 71.3°F 74.0°F
Key Largo 71.1°F 73.8°F
Miami 70.7°F 73.1°F
Key West 70.3°F 72.7°F
Everglades 68.6°F 71.6°F
South Padre Island 66.7°F 64.8°F
Marco Island 65.2°F 67.2°F
Naples 64.7°F 66.8°F
Cape Coral 64.3°F 66.2°F
Sanibel Island 63.7°F 65.6°F
Fort Walton Beach 61.8°F 58.9°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 73.9 °F
March 74.2 °F
January 74.7 °F
Rainiest months:
March 2 days
January 2 days
November 1 day
Windiest months:
July 11.7 mph
June 10.9 mph
May 10.8 mph

Kauai on a weather map

Kauai
+73°F
NW 15 mph
Feels like: +77°F
Precip.: 62%
Places in USA:
Name
°F
+50°F
+75°F
+75°F
+64°F
+59°F
+77°F
+79°F
+70°F
+37°F
+63°F
+57°F
+79°F
+77°F
+73°F
+41°F
24 Hours Forecast
Kauai
Local time: 13:18
December 23, tuesday
1500
75°F
W
14 mph
1800
72°F
W
13 mph
2100
72°F
W
13 mph
December 24, wednesday
0000
70°F
NW
11 mph
0300
70°F
NW
12 mph
0600
70°F
NW
12 mph
0900
72°F
NW
12 mph
1200
75°F
W
12 mph
Units of measurement: °C / °F