Kauai County (Kauai Island)
January
Weather in Kauai County for January 2026
Your guide to Kauai County weather in January - trends and predictions
In general, the average temperature in Kauai County 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 County 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 County 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 County
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 County 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 County forecast closer to your planned date for the most up-to-date weather information.
Kauai County in January - FAQ
What are the expected maximum and minimum temperatures in Kauai County 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 County during January?
Moderate rainfall is anticipated in Kauai County 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 County during January?
The average wind speed in Kauai County during January is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in Kauai County
Explore the daily rainfall trends and prepare for Kauai Countys January weather 💧
UV exposure in Kauai County during January
Stay informed about UV levels for safe outdoor activities throughout the month of January ☀️
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Where is Kauai County?Get accurate weather forecasts for Kauai County, located at latitude 22.049 and longitude -159.531. Stay updated with localized weather information tailored for Kauai County.
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