Kauai Weather Year-Round — Best Time to Visit
Kauai, United States has warm weather year-round. The best time to visit is January (score: 81/100). Annual average high: 25.6°C, total rainfall: 875mm.
When is the best time to visit Kauai?
81
January is the best month to visit Kauai with a travel score of 81/100 (Excellent).
Expect highs of 24.1°C, 10 rain days, and 9.9 hours of daily sunshine.
View January weather details →Travel Score by Month
81
Jan
80
Feb
76
Mar
73
Apr
74
May
74
Jun
71
Jul
73
Aug
73
Sep
74
Oct
75
Nov
77
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Kauai each month?
25.6°C
Avg High
21.6°C
Avg Low
875mm
Annual Rain
How much rain does Kauai get?
Kauai receives 875mm of rain annually. The wettest month is typically March with 99mm, while September is the driest.
What is the weather like each month in Kauai?
January
Best time to visit81
24°C
Low: 20°C
10 rain days
Excellent
February
80
24°C
Low: 20°C
11 rain days
Good
March
76
24°C
Low: 20°C
14 rain days
Good
April
73
25°C
Low: 21°C
16 rain days
Good
May
74
26°C
Low: 21°C
16 rain days
Good
June
74
26°C
Low: 22°C
15 rain days
Good
July
71
27°C
Low: 23°C
17 rain days
Good
August
73
27°C
Low: 23°C
16 rain days
Good
September
73
27°C
Low: 23°C
16 rain days
Good
October
74
27°C
Low: 23°C
16 rain days
Good
November
75
26°C
Low: 22°C
14 rain days
Good
December
77
25°C
Low: 21°C
13 rain days
Good
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What cities are near Kauai?
Data based on 1994–2024 averages · Last updated: 2024-12-31