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
St. Petersburg 87.0°F 88.0°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
Galveston 86.4°F 86.3°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

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 9 mph
Feels like: +68°F
Precip.: 100%
Places in USA:
Name
°F
+46°F
+72°F
+72°F
+61°F
+57°F
+75°F
+75°F
+64°F
+39°F
+59°F
+50°F
+72°F
+72°F
+57°F
+43°F
24 Hours Forecast
Kauai
Local time: 03:08
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