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Weather in Kauai Island for January 2026

Your guide to Kauai Island weather in January - trends and predictions

    Temperatures

  • 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.

  • Rain 🌧️

  • Kauai Island experiences heavy rainfall in January, with over 20 rainy days and an average total precipitation 81.8 mm.

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Average dry days
10
Dry days
Average rainy days
21
Rainy days
Average snowy days
0
Snow days
Average temperatures
23°/21°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Kauai Island Weather January

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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
Light rain shower
24° /22° 4.1 mm 5
Jan. 2 Patchy rain possible
Patchy rain possible
24° /22° 0.4 mm 5
Jan. 3 Patchy rain possible
Patchy rain possible
24° /22° 0.1 mm 5
Jan. 4 Partly cloudy
Partly cloudy
24° /20° 0 mm 6
Jan. 5 Patchy rain possible
Patchy rain possible
25° /21° 0.5 mm 6
Jan. 6 Patchy rain possible
Patchy rain possible
25° /22° 0.1 mm 6
Jan. 7 Patchy rain possible
Patchy rain possible
25° /22° 0.3 mm 6
Jan. 8 Light rain shower
Light rain shower
24° /21° 1.9 mm 5
Jan. 9 Light rain shower
Light rain shower
23° /22° 8.1 mm 5
Jan. 10 Light rain shower
Light rain shower
24° /22° 8 mm 5
Jan. 11 Patchy rain possible
Patchy rain possible
24° /22° 2.4 mm 5
Jan. 12 Light rain shower
Light rain shower
24° /22° 5.9 mm 5
Jan. 13 Light rain shower
Light rain shower
24° /22° 3.5 mm 5
Jan. 14 Patchy rain possible
Patchy rain possible
24° /21° 0.7 mm 5
Jan. 15 Patchy rain possible
Patchy rain possible
24° /22° 0.5 mm 5
Jan. 16 Patchy rain possible
Patchy rain possible
23° /21° 0.3 mm 5
Jan. 17 Patchy rain possible
Patchy rain possible
23° /20° 0.8 mm 5
Jan. 18 Sunny
Sunny
23° /20° 0.2 mm 6
Jan. 19 Patchy rain possible
Patchy rain possible
23° /21° 0.1 mm 5
Jan. 20 Light rain shower
Light rain shower
23° /21° 1.2 mm 5
Jan. 21 Patchy rain possible
Patchy rain possible
23° /21° 0.2 mm 5
Jan. 22 Light rain shower
Light rain shower
22° /19° 3.3 mm 5
Jan. 23 Cloudy
Cloudy
21° /17° 0 mm 5
Jan. 24 Cloudy
Cloudy
22° /18° 0 mm 5
Jan. 25 Patchy rain possible
Patchy rain possible
23° /20° 0.1 mm 5
Jan. 26 Light rain shower
Light rain shower
23° /21° 3.3 mm 5
Jan. 27 Light rain shower
Light rain shower
22° /20° 3 mm 5
Jan. 28 Patchy rain possible
Patchy rain possible
20° /18° 0.8 mm 5
Jan. 29 Light rain
Light rain
22° /19° 8.2 mm 5
Jan. 30 Light rain shower
Light rain shower
24° /22° 12.3 mm 5
Jan. 31 Patchy rain possible
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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Location coordinates Where is Kauai Island?

Get accurate weather forecasts for Kauai Island, located at latitude 22.049 and longitude -159.531. Stay updated with localized weather information tailored for Kauai Island.

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