Weather in Kauai in December
Kauai, United States averages a high of 24.6°C (76.3°F) and low of 20.9°C (69.6°F) in December, with 13 rain days and 9.9 hours of daily sunshine. Travel score: 76.5/100 (Good). The best time to visit Kauai is January.
High
25°C76°F
Low
21°C70°F
🌧️
13
rain days
☀️
9.9
hrs/day sunshine
💧
80%
humidity
77— Good
December in Kauai is warm and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Kauai?
How much does it rain in Kauai in December?
Kauai receives an average of 88mm of rainfall across 13 rainy days in December. The annual total is 874.8mm.
What should I pack for Kauai in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 25°C
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (13 days)
☔
Umbrella
Be prepared for occasional showers
Traveling to United States in December?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31