Measurements:
°C
°F
Kauai
78°F
NW 2 mph
Feels like: 82°F
Precip: 100%
World Resorts USA Kauai Weather

Kauai Sea Water Temperature

Current Sea Water Temperature:
+82.2°F
Maximum Sea Water Temperature in November: 85.0°F
Minimum Sea Water Temperature in November: 81.0°F
Average water temperature in November: 82.8°F

Sea Water Temperature for the Last 10 Days:

November 05 82.2°F October 31 82.2°F
November 04 82.0°F October 30 82.0°F
November 03 81.8°F October 29 82.2°F
November 02 82.0°F October 28 82.4°F
November 01 82.0°F October 27 82.2°F

When is the Warmest Sea for Kauai?

According to our data for the last three years for Kauai the highest average sea water temperature was in September, October and August.

Average Water Temperature by Month, °F

Sea Water Temperature in September

Select Year: 2024 2023 2022

The average sea surface temperature in September 2024 for Kauai was 82.6°F. The maximum and minimum values were 82.4°F and 83.0°F respectively.

Sea Water Temperature in October

Select Year: 2024 2023 2022

The average sea surface temperature in October 2024 for Kauai was 82.4°F. The maximum and minimum values were 82.0°F and 82.8°F respectively.

Sea Water Temperature in August

Select Year: 2024 2023 2022

The average sea surface temperature in August 2024 for Kauai was 81.8°F. The maximum and minimum values were 81.0°F and 82.4°F respectively.

Best Time to Visit Kauai
The most sunny months:
January 6 days
December 5 days
February 2 days
The most warm months:
September 83.5 °F
August 83.0 °F
July 82.3 °F
Warmest sea temperature:
September 83.7 °F
October 83.6 °F
August 83.0 °F
The most cold months:
February 76.0 °F
March 76.5 °F
January 77.5 °F
The most rainy months:
January 3 days
March 2 days
May 1 day
The most windy months:
July 12 mph
February 11 mph
August 11 mph

Kauai on the Weather Map

USA Resorts:
NAME
Boston +56
Chicago +64
Hawaii +80
Honolulu +80
Houston +80
Las Vegas +44
Los Angeles +62
Maui +74
Miami +84
New York +62
San Diego +52
San Francisco +56
Sarasota +76
Tampa +78
Washington +62
24 Hours Weather Forecast
Kauai
Local time: 02:35
05 nov, tuesday
0300 78°F
NW
2 mph
0600 78°F
NW
1 mph
0900 82°F
SW
4 mph
1200 84°F
S
7 mph
1500 82°F
S
9 mph
1800 78°F
SW
11 mph
2100 78°F
SW
10 mph
06 nov, wednesday
0000 78°F
W
9 mph