World Resorts USA Kauai Weather

Kauai Sea Temperature in July

Average sea water temperature in July:
+78.6°F
Minimum sea water temperature in July: 80.6°F
Maximum sea water temperature in July: 75.6°F

Daily sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 76.1°F. The highest and lowest sea temperatures during the month were 76.8°F and 75.6°F.

Monthly sea water temperature in Kauai, °F

Which USA resorts have warmest sea in July?

Place name July 2025 July 2024
New Orleans 87.4°F 87.1°F
Clearwater Beach 87.1°F 88.3°F
Sarasota 86.9°F 87.9°F
Siesta Key 86.9°F 87.9°F
Pensacola 86.9°F 87.3°F
Tampa 86.8°F 87.4°F
Key West 86.7°F 87.6°F
Marco Island 86.6°F 87.4°F
Naples 86.6°F 87.2°F
Cape Coral 86.4°F 87.2°F
Islamorada 86.4°F 87.4°F
Miami 86.3°F 86.9°F
Panama City Beach 86.3°F 86.8°F
Houston 86.3°F 86.4°F
Destin 86.3°F 86.6°F
Key Largo 86.2°F 87.1°F
Miramar Beach 86.2°F 86.7°F
Everglades 86.0°F 87.9°F
Miami Beach 86.0°F 86.5°F
Mobile 85.8°F 86.6°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 73.9 °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
W 9 mph
Feels like: +77°F
Precip.: 100%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+41°F
+52°F
+70°F
+77°F
+70°F
+21°F
+54°F
+46°F
+61°F
+61°F
+45°F
+3°F
24 Hours Forecast
Kauai
Local time: 21:51
December 05, friday
0000
72°F
W
11 mph
0300
73°F
NW
13 mph
0600
73°F
NW
12 mph
0900
75°F
NW
13 mph
1200
77°F
W
11 mph
1500
79°F
W
12 mph
1800
73°F
W
13 mph
2100
73°F
W
11 mph
Units of measurement: °C / °F