Kauai Island
December
Weather in Kauai Island for December 2025
Your guide to Kauai Island weather in December - trends and predictions
In general, the average temperature in Kauai Island at the beginning of December is 24.3 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of 24 °F by the end of December.
Kauai Island experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 57.8 mm.
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Temperatures
Rain 🌧️
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8
Dry days
23
Rainy days
0
Snow days
24°/22°
Temperatures
20 km/h
Avg max wind
75 %
Avg humidity
Kauai Island Weather December
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  24° | 2  25° | 3  25° | 4 25° | 5  24° | 6 23° | |
| 7 24° | 8 24° | 9 24° | 10 24° | 11 24° | 12 24° | 13 24° |
| 14 24° | 15 24° | 16 24° | 17 25° | 18 25° | 19 24° | 20 24° |
| 21 25° | 22 25° | 23 24° | 24 24° | 25 25° | 26 24° | 27 24° |
| 28 24° | 29 23° | 30 24° | 31 24° |
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Temperatures trend during December in Kauai Island
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 | Patchy rain possible | 24° /21° | 0 mm | 5 | |
| Dec. 2 | Partly cloudy | 25° /21° | 0 mm | 6 | |
| Dec. 3 | Sunny | 25° /21° | 0 mm | 7 | |
| Dec. 4 | Patchy rain possible | 25° /21° | 0.7 mm | 6 | |
| Dec. 5 | Moderate or heavy rain shower | 24° /21° | 16.5 mm | 5 | |
| Dec. 6 | Light rain shower | 23° /22° | 4.2 mm | 5 | |
| Dec. 7 | Patchy rain possible | 24° /22° | 2.1 mm | 5 | |
| Dec. 8 | Patchy rain possible | 24° /22° | 0.1 mm | 5 | |
| Dec. 9 | Light rain shower | 24° /23° | 2.5 mm | 5 | |
| Dec. 10 | Light rain shower | 24° /22° | 3.1 mm | 5 | |
| Dec. 11 | Patchy rain possible | 24° /23° | 0.6 mm | 5 | |
| Dec. 12 | Patchy rain possible | 24° /23° | 1.4 mm | 5 | |
| Dec. 13 | Patchy rain possible | 24° /23° | 0.8 mm | 5 | |
| Dec. 14 | Patchy rain possible | 24° /22° | 1.7 mm | 5 | |
| Dec. 15 | Patchy rain possible | 24° /22° | 1.7 mm | 5 | |
| Dec. 16 | Patchy rain possible | 24° /21° | 0.9 mm | 5 | |
| Dec. 17 | Sunny | 25° /21° | 0 mm | 7 | |
| Dec. 18 | Sunny | 25° /22° | 0 mm | 7 | |
| Dec. 19 | Patchy rain possible | 24° /22° | 0.6 mm | 5 | |
| Dec. 20 | Patchy rain possible | 24° /22° | 0.6 mm | 5 | |
| Dec. 21 | Patchy rain possible | 25° /22° | 1.5 mm | 5 | |
| Dec. 22 | Patchy rain possible | 25° /22° | 1.2 mm | 6 | |
| Dec. 23 | Patchy rain possible | 24° /22° | 1 mm | 5 | |
| Dec. 24 | Patchy rain possible | 24° /22° | 1.5 mm | 5 | |
| Dec. 25 | Patchy rain possible | 25° /22° | 0.4 mm | 6 | |
| Dec. 26 | Partly cloudy | 24° /21° | 0 mm | 6 | |
| Dec. 27 | Sunny | 24° /21° | 0.1 mm | 6 | |
| Dec. 28 | Patchy rain possible | 24° /22° | 4.1 mm | 5 | |
| Dec. 29 | Light rain shower | 23° /22° | 6.1 mm | 5 | |
| Dec. 30 | Light rain shower | 24° /22° | 1.8 mm | 5 | |
| Dec. 31 | Light rain shower | 24° /23° | 2.7 mm | 5 | |
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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.
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 57.8 mm spread over approximately 23 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 20 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 💧
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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