World Resorts USA Kauai Weather

Kauai Sea Temperature in May

Average sea water temperature in May:
+76.9°F
Minimum sea water temperature in May: 78.8°F
Maximum sea water temperature in May: 74.5°F

Daily sea water temperature in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 75.1°F. The highest and lowest sea temperatures during the month were 75.7°F and 74.5°F.

Monthly sea water temperature in Kauai, °F

Which USA resorts have warmest sea in May?

Place name May 2025 May 2024
Everglades 84.5°F 84.6°F
Key West 83.5°F 84.6°F
Naples 83.5°F 83.8°F
Marco Island 83.5°F 84.0°F
Key Largo 83.5°F 84.1°F
Cape Coral 83.4°F 83.6°F
Tampa 82.7°F 82.5°F
Sarasota 82.7°F 82.9°F
St. Petersburg 82.6°F 82.4°F
Clearwater Beach 82.6°F 82.5°F
Miami 82.6°F 83.3°F
Siesta Key 82.5°F 82.6°F
Miami Beach 82.4°F 83.0°F
Fort Lauderdale 81.1°F 81.7°F
West Palm Beach 81.1°F 81.5°F
Corpus Christi 80.9°F 81.0°F
Pensacola 80.1°F 79.4°F
Galveston 79.6°F 79.5°F
Houston 79.5°F 78.9°F
New Orleans 79.5°F 79.9°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 73.6 °F
March 74.2 °F
January 74.6 °F
Rainiest months:
January 2 days
March 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
+68°F
NW 8 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
Kauai
Local time: 04:51
April 06, monday
0600
68°F
NW
8 mph
0900
72°F
W
11 mph
1200
73°F
W
11 mph
1500
73°F
NW
7 mph
1800
73°F
NW
9 mph
2100
70°F
NW
8 mph
April 07, tuesday
0000
70°F
NW
7 mph
0300
68°F
NE
5 mph
Units of measurement: °C / °F