Kauai Island
January
Weather in Kauai Island for January 2026
Your guide to Kauai Island weather in January - trends and predictions
In general, the average temperature in Kauai Island at the beginning of January is 24.4 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 22.6 °F by the end of January.
Kauai Island experiences heavy rainfall in January, with over 20 rainy days and an average total precipitation 81.8 mm.
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Temperatures
Rain 🌧️
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10
Dry days
21
Rainy days
0
Snow days
23°/21°
Temperatures
22 km/h
Avg max wind
73 %
Avg humidity
Kauai Island Weather January
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  24° | 2 24° | 3 24° | ||||
| 4  24° | 5 25° | 6 25° | 7 25° | 8 24° | 9 23° | 10 24° |
| 11 24° | 12 24° | 13 24° | 14 24° | 15 24° | 16 23° | 17 23° |
| 18  23° | 19 23° | 20 23° | 21 23° | 22 22° | 23  21° | 24 22° |
| 25 23° | 26 23° | 27 22° | 28 20° | 29  22° | 30 24° | 31 24° |
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Temperatures trend during January in Kauai Island
See the weather trend as well as the moving average line
January weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jan. 1 | Light rain shower | 24° /22° | 4.1 mm | 5 | |
| Jan. 2 | Patchy rain possible | 24° /22° | 0.4 mm | 5 | |
| Jan. 3 | Patchy rain possible | 24° /22° | 0.1 mm | 5 | |
| Jan. 4 | Partly cloudy | 24° /20° | 0 mm | 6 | |
| Jan. 5 | Patchy rain possible | 25° /21° | 0.5 mm | 6 | |
| Jan. 6 | Patchy rain possible | 25° /22° | 0.1 mm | 6 | |
| Jan. 7 | Patchy rain possible | 25° /22° | 0.3 mm | 6 | |
| Jan. 8 | Light rain shower | 24° /21° | 1.9 mm | 5 | |
| Jan. 9 | Light rain shower | 23° /22° | 8.1 mm | 5 | |
| Jan. 10 | Light rain shower | 24° /22° | 8 mm | 5 | |
| Jan. 11 | Patchy rain possible | 24° /22° | 2.4 mm | 5 | |
| Jan. 12 | Light rain shower | 24° /22° | 5.9 mm | 5 | |
| Jan. 13 | Light rain shower | 24° /22° | 3.5 mm | 5 | |
| Jan. 14 | Patchy rain possible | 24° /21° | 0.7 mm | 5 | |
| Jan. 15 | Patchy rain possible | 24° /22° | 0.5 mm | 5 | |
| Jan. 16 | Patchy rain possible | 23° /21° | 0.3 mm | 5 | |
| Jan. 17 | Patchy rain possible | 23° /20° | 0.8 mm | 5 | |
| Jan. 18 | Sunny | 23° /20° | 0.2 mm | 6 | |
| Jan. 19 | Patchy rain possible | 23° /21° | 0.1 mm | 5 | |
| Jan. 20 | Light rain shower | 23° /21° | 1.2 mm | 5 | |
| Jan. 21 | Patchy rain possible | 23° /21° | 0.2 mm | 5 | |
| Jan. 22 | Light rain shower | 22° /19° | 3.3 mm | 5 | |
| Jan. 23 | Cloudy | 21° /17° | 0 mm | 5 | |
| Jan. 24 | Cloudy | 22° /18° | 0 mm | 5 | |
| Jan. 25 | Patchy rain possible | 23° /20° | 0.1 mm | 5 | |
| Jan. 26 | Light rain shower | 23° /21° | 3.3 mm | 5 | |
| Jan. 27 | Light rain shower | 22° /20° | 3 mm | 5 | |
| Jan. 28 | Patchy rain possible | 20° /18° | 0.8 mm | 5 | |
| Jan. 29 | Light rain | 22° /19° | 8.2 mm | 5 | |
| Jan. 30 | Light rain shower | 24° /22° | 12.3 mm | 5 | |
| Jan. 31 | Patchy rain possible | 24° /20° | 11.6 mm | 5 | |
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Important Notice
Our weather forecast for Kauai Island in January 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 January - FAQ
What are the expected maximum and minimum temperatures in Kauai Island during January?
During January, expect a variety of temperatures with highs around 23° and lows near 21°, suitable for diverse activities and preferences.
How much rainfall should be expected in Kauai Island during January?
Moderate rainfall is anticipated in Kauai Island during January, with a total of 81.8 mm spread over approximately 21 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Kauai Island during January?
The average wind speed in Kauai Island during January is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in Kauai Island
Explore the daily rainfall trends and prepare for Kauai Islands January weather 💧
UV exposure in Kauai Island during January
Stay informed about UV levels for safe outdoor activities throughout the month of January ☀️
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