World Resorts USA Kauai Weather

Kauai Sea Temperature in March

Average sea water temperature in March:
+75.5°F
Minimum sea water temperature in March: 77.2°F
Maximum sea water temperature in March: 73.6°F

Daily sea water temperature in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 76.5°F. The highest and lowest sea temperatures during the month were 77.0°F and 75.2°F.

Monthly sea water temperature in Kauai, °F

Which USA resorts have warmest sea in March?

Place name March 2026 March 2025
Everglades 77.4°F 74.4°F
West Palm Beach 77.1°F 75.8°F
Key Largo 76.8°F 75.1°F
Miami Beach 76.8°F 75.3°F
Honolulu 76.7°F 76.8°F
Fort Lauderdale 76.6°F 75.8°F
Hawaii 76.5°F 76.7°F
Kauai 76.5°F 75.0°F
Key West 76.5°F 74.5°F
Hilo 76.3°F 76.3°F
Hialeah 76.1°F 74.6°F
Miami 76.0°F 74.4°F
Maui 75.5°F 76.0°F
Oahu 74.9°F 75.7°F
Cape Coral 73.9°F 71.7°F
Marco Island 73.5°F 71.8°F
Naples 72.6°F 71.4°F
Corpus Christi 71.9°F 67.0°F
Tampa 71.7°F 69.3°F
Cocoa Beach 71.7°F 70.0°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
+77°F
W 12 mph
Feels like: +81°F
Precip.: 100%
Places in USA:
Name
°F
+77°F
+79°F
+79°F
+97°F
+72°F
+84°F
+84°F
+75°F
+81°F
+64°F
+72°F
+84°F
+88°F
+82°F
+59°F
24 Hours Forecast
Kauai
Local time: 12:17
May 16, saturday
1500
77°F
W
13 mph
1800
75°F
W
12 mph
2100
73°F
W
9 mph
May 17, sunday
0000
73°F
W
9 mph
0300
73°F
W
7 mph
0600
73°F
W
8 mph
0900
75°F
W
9 mph
1200
79°F
W
12 mph
Units of measurement: °C / °F