World Resorts USA Kauai Weather

Kauai sea water temperature

Current sea water temperature:
+75.7°F
Minimum sea water temperature in December: 79.5°F
Maximum sea water temperature in December: 75.6°F
Average sea water temperature in December: 77.6°F

Sea water temperature for the last 10 days:

December 21 75.7°F December 16 75.6°F
December 20 75.7°F December 15 75.7°F
December 19 75.9°F December 14 76.1°F
December 18 75.9°F December 13 75.9°F
December 17 75.6°F December 12 76.1°F

When is the warmest sea in Kauai?

Based on the data about daily sea water temperature for the last three years the warmest sea in Kauai was noticed in September, October and August.

Monthly Sea Temperatures in Kauai, °F

Sea water temperature in September, °F

Show year:
2024
2023
2022

The average sea water temperature in September of 2024 was 79.4°F. The highest and lowest sea temperatures during the month were 79.7°F and 79.2°F.

Sea water temperature in October, °F

Show year:
2024
2023
2022

The average sea water temperature in October of 2024 was 79.2°F. The highest and lowest sea temperatures during the month were 79.5°F and 78.8°F.

Sea water temperature in August, °F

Show year:
2024
2023
2022

The average sea water temperature in August of 2024 was 78.6°F. The highest and lowest sea temperatures during the month were 79.2°F and 77.9°F.

Best time for vacation in Kauai

Sunniest months:
January 6 days
December 5 days
February 2 days
Warmest months:
September 80.2 °F
August 79.7 °F
July 79.1 °F
Warmest sea temp:
September 80.4 °F
October 80.3 °F
August 79.7 °F
Coldest months:
February 73.4 °F
March 73.9 °F
January 74.8 °F
Rainiest months:
January 3 days
March 2 days
May 1 day
Windiest months:
July 11.9 mph
February 11.1 mph
August 10.9 mph

Kauai on a weather map

Kauai
+73°F
W 2 mph
Feels like: +77°F
Precip.: 63%
Places in USA:
Name
°F
+19°F
+25°F
+75°F
+75°F
+55°F
+55°F
+64°F
+21°F
+52°F
+54°F
+54°F
+54°F
+50°F
+54°F
+23°F
24 Hours Forecast
Kauai
Local time: 17:45
December 21, saturday
1800
73°F
W
2 mph
2100
73°F
W
3 mph
December 22, sunday
0000
72°F
NW
5 mph
0300
72°F
N
3 mph
0600
70°F
N
2 mph
0900
75°F
SE
2 mph
1200
77°F
S
5 mph
1500
75°F
S
5 mph
Units of measurement: °C / °F