World Resorts USA Kauai Weather

Kauai 14 Days Forecast

30.12
tue
Day
75°F
W 11 mph
Precip.
62%
Night
72°F
W 9 mph
Precip.
61%
31.12
wed
Day
75°F
W 11 mph
Precip.
89%
Night
72°F
W 10 mph
Precip.
100%
01.01
thu
Day
75°F
W 11 mph
Precip.
100%
Night
72°F
W 13 mph
Precip.
100%
02.01
fri
Day
75°F
W 14 mph
Precip.
100%
Night
70°F
W 14 mph
Precip.
100%
03.01
sat
Day
73°F
W 14 mph
Precip.
100%
Night
70°F
W 14 mph
Precip.
100%
04.01
sun
Day
73°F
W 14 mph
Precip.
100%
Night
72°F
W 14 mph
Precip.
100%
05.01
mon
Day
72°F
NW 13 mph
Precip.
80%
Night
70°F
NW 12 mph
Precip.
21%
06.01
tue
Day
73°F
W 10 mph
Precip.
0%
Night
68°F
W 7 mph
Precip.
25%
07.01
wed
Day
73°F
W 6 mph
Precip.
74%
Night
68°F
NE 2 mph
Precip.
0%
08.01
thu
Day
73°F
SE 3 mph
Precip.
0%
Night
70°F
E 6 mph
Precip.
0%
09.01
fri
Day
68°F
NE 11 mph
Precip.
100%
Night
63°F
NW 5 mph
Precip.
100%
10.01
sat
Day
68°F
S 10 mph
Precip.
100%
Night
64°F
SW 4 mph
Precip.
0%
11.01
sun
Day
70°F
W 8 mph
Precip.
0%
Night
64°F
NW 6 mph
Precip.
0%
12.01
mon
Day
72°F
NE 4 mph
Precip.
0%
Night
66°F
E 6 mph
Precip.
0%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 78.2°F. The highest and lowest sea temperatures during the month were 79.3°F and 77.5°F.

Sea water temperature in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 75.0°F. The highest and lowest sea temperatures during the month were 75.7°F and 73.6°F.

Air temperature in Kauai, °F

Precipitation total in Kauai, in.

* Charts above show average data for the last 3 years.

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
+75°F
W 11 mph
Feels like: +79°F
Precip.: 62%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+66°F
+70°F
+70°F
+70°F
+70°F
+30°F
+79°F
+52°F
+59°F
+57°F
+55°F
+25°F
24 Hours Forecast
Kauai
Local time: 12:55
December 30, tuesday
1500
75°F
W
11 mph
1800
73°F
W
9 mph
2100
72°F
W
9 mph
December 31, wednesday
0000
72°F
W
9 mph
0300
72°F
W
9 mph
0600
70°F
W
10 mph
0900
73°F
W
9 mph
1200
75°F
W
11 mph
Units of measurement: °C / °F