Kauai Island (HI)
December
Weather in Kauai Island, Hawaii for December 2026
Your guide to Kauai Island weather in December - trends and predictions
The climate of Kauai Island in December is notably wet, with an average of 15 rainy days, and a total of 66.3 mm of precipitation.
Is December a good time to visit Kauai Island? check out the best time to travel to Kauai Island page.
✨ Is December a good time to visit Kauai Island? – Ask the AI Weatherman
Rain 🌧️
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16
Dry days
15
Rainy days
0
Snow days
24°/22°
Temperatures
19 km/h
Avg max wind
76 %
Avg humidity
Kauai Island Weather December
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Temperatures trend during December in Kauai Island
See the weather trend as well as the moving average line
December weather in Kauai Island day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 | Patchy rain possible | 24° /22° | 0 mm | 5 | |
| Dec. 2 | Partly cloudy | 25° /22° | 0 mm | 5.6 | |
| Dec. 3 | Sunny | 25° /22° | 0 mm | 5.5 | |
| Dec. 4 | Patchy rain possible | 25° /22° | 1.3 mm | 5.5 | |
| Dec. 5 | Moderate rain | 24° /22° | 10.8 mm | 5 | |
| Dec. 6 | Light rain shower | 24° /22° | 2.3 mm | 5 | |
| Dec. 7 | Patchy rain possible | 25° /22° | 1.4 mm | 5.4 | |
| Dec. 8 | Patchy rain possible | 24° /22° | 0.6 mm | 5 | |
| Dec. 9 | Light rain shower | 24° /23° | 1.6 mm | 5 | |
| Dec. 10 | Light rain shower | 24° /22° | 1.9 mm | 5 | |
| Dec. 11 | Patchy rain possible | 24° /22° | 0.9 mm | 5 | |
| Dec. 12 | Patchy rain possible | 24° /22° | 0.7 mm | 5.4 | |
| Dec. 13 | Patchy rain possible | 25° /22° | 1.8 mm | 5.3 | |
| Dec. 14 | Light rain | 24° /22° | 2.9 mm | 5 | |
| Dec. 15 | Light rain | 24° /22° | 3.3 mm | 5 | |
| Dec. 16 | Patchy rain possible | 25° /22° | 0.7 mm | 5.3 | |
| Dec. 17 | Patchy rain possible | 25° /22° | 1.2 mm | 5.3 | |
| Dec. 18 | Light rain | 25° /22° | 4.8 mm | 5.3 | |
| Dec. 19 | Patchy rain possible | 25° /22° | 2.1 mm | 5.3 | |
| Dec. 20 | Light rain | 24° /22° | 2.5 mm | 4 | |
| Dec. 21 | Patchy rain possible | 25° /23° | 2.1 mm | 3 | |
| Dec. 22 | Light rain | 25° /23° | 8.9 mm | 4 | |
| Dec. 23 | Light rain | 24° /23° | 3 mm | 3 | |
| Dec. 24 | Patchy rain possible | 24° /22° | 0.8 mm | 4 | |
| Dec. 25 | Patchy rain possible | 24° /22° | 0.2 mm | 4 | |
| Dec. 26 | Partly cloudy | 24° /22° | 0.4 mm | 4 | |
| Dec. 27 | Sunny | 24° /22° | 0.2 mm | 5 | |
| Dec. 28 | Patchy rain possible | 24° /22° | 2.4 mm | 4 | |
| Dec. 29 | Light rain | 24° /23° | 3.3 mm | 4 | |
| Dec. 30 | Light rain shower | 24° /22° | 2.4 mm | 4 | |
| Dec. 31 | Light rain shower | 24° /23° | 1.7 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Kauai Island in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Kauai Island forecast closer to your planned date for the most up-to-date weather information.
Change Month
Kauai Island in December - FAQ
What are the expected maximum and minimum temperatures in Kauai Island during December?
During December, expect a variety of temperatures with highs around 24° and lows near 22°, suitable for diverse activities and preferences.
How much rainfall should be expected in Kauai Island during December?
Moderate rainfall is anticipated in Kauai Island during December, with a total of 66.3 mm spread over approximately 15 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Kauai Island during December?
The average wind speed in Kauai Island during December is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Kauai Island
Explore the daily rainfall trends and prepare for Kauai Islands December weather 💧
Typically, Kauai Island has 15 rainy days in December with a total of 66.3 mm of rainfall.
UV exposure in Kauai Island during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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