Kauai County (Kauai Island)
January
Weather in Kauai County, Hawaii for January 2027
Your guide to Kauai County weather in January - trends and predictions
The climate of Kauai County in January is notably wet, with an average of 15 rainy days, and a total of 104.5 mm of precipitation.
Is January a good time to visit Kauai County? check out the best time to travel to Kauai County page.
✨ Is January a good time to visit Kauai County? – Ask the AI Weatherman
Rain 🌧️
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16
Dry days
15
Rainy days
0
Snow days
23°/21°
Temperatures
21 km/h
Avg max wind
74 %
Avg humidity
Kauai County Weather January
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Temperatures trend during January in Kauai County
See the weather trend as well as the moving average line
January weather in Kauai County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jan. 1 |  Light rain | 24° /22° | 6.3 mm | 4 | |
| Jan. 2 |  Patchy rain possible | 24° /22° | 1.2 mm | 3 | |
| Jan. 3 | Patchy rain possible | 24° /22° | 0.2 mm | 4 | |
| Jan. 4 |  Moderate rain | 24° /21° | 10 mm | 4 | |
| Jan. 5 | Moderate rain | 24° /21° | 13.8 mm | 4 | |
| Jan. 6 | Moderate rain | 24° /22° | 13.2 mm | 4 | |
| Jan. 7 | Patchy rain possible | 24° /22° | 1.7 mm | 4 | |
| Jan. 8 | Light rain shower | 24° /21° | 1.5 mm | 4 | |
| Jan. 9 | Light rain | 24° /22° | 4.5 mm | 4 | |
| Jan. 10 | Light rain | 24° /22° | 5 mm | 4 | |
| Jan. 11 | Patchy rain possible | 24° /22° | 1.4 mm | 4 | |
| Jan. 12 | Light rain | 24° /21° | 4.2 mm | 5 | |
| Jan. 13 | Light rain shower | 23° /21° | 1.8 mm | 5 | |
| Jan. 14 | Light rain | 24° /21° | 4.3 mm | 3 | |
| Jan. 15 | Patchy rain possible | 23° /21° | 0.4 mm | 5 | |
| Jan. 16 | Patchy rain possible | 22° /20° | 0.3 mm | 4 | |
| Jan. 17 | Patchy rain possible | 22° /20° | 0.6 mm | 4 | |
| Jan. 18 | Patchy rain possible | 23° /21° | 1.6 mm | 4 | |
| Jan. 19 | Patchy rain possible | 24° /21° | 0.5 mm | 4 | |
| Jan. 20 | Light rain shower | 23° /21° | 0.6 mm | 4 | |
| Jan. 21 | Light rain | 24° /20° | 3.2 mm | 3 | |
| Jan. 22 | Light rain shower | 22° /20° | 1.7 mm | 5 | |
| Jan. 23 | Patchy rain possible | 22° /19° | 2 mm | 4 | |
| Jan. 24 | Light rain | 23° /19° | 3.5 mm | 4 | |
| Jan. 25 | Patchy rain possible | 24° /21° | 0.1 mm | 5 | |
| Jan. 26 | Light rain shower | 23° /21° | 1.7 mm | 4 | |
| Jan. 27 | Light rain shower | 23° /21° | 1.7 mm | 5 | |
| Jan. 28 | Patchy rain possible | 23° /20° | 0.4 mm | 5 | |
| Jan. 29 | Light rain | 24° /21° | 4.2 mm | 5 | |
| Jan. 30 | Light rain | 23° /22° | 7.2 mm | 4 | |
| Jan. 31 | Light rain | 24° /20° | 5.8 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.
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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?
Significant rainfall exceeding 104.5 mm is expected in Kauai County during January, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Kauai County during January?
The average wind speed in Kauai County during January is 21 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 💧
Typically, Kauai County has 15 rainy days in January with a total of 104.5 mm of rainfall.
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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