Island in Hawaii

Kauai Väder Prognos

Kauai weather: 20°C, duggregn. Varje timme forecast, 14-day outlook, UV, air quality and the best time och visit.

🌦️ 20°C now🕔 8:04 PM local📅 Best: augusti, september and oktober

Kauai weather in januari

21°
average high · low 14°C
★★★☆☆
ranked #4 of 12 months

A workable month, med trade-offs.

Average high21°C
Average low14°C
Mean17°C
Regnfall194 mm

januari runs 2°C cooler than the annual average in Kauai.

Compare med december.

Väder map for Kauai

Animated model layers. Pick a layer och load it.

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Animated layers by Vindy. For pin-level detail and nearby places, see the interactive map below.

Klimat in Kauai month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

janfebmaraprmajjunjulaugsepoktnovdecLine: average high · Bars: rainfall
MånadAvg highAvg lowRegnfallRating
januari21°14°194 mm★★★☆☆
februari20°13°234 mm★★★☆☆
mars20°14°320 mm★★☆☆☆
april21°15°439 mm★★★☆☆
maj21°15°342 mm★★★☆☆
juni22°16°257 mm★★★☆☆
juli23°17°298 mm★★★☆☆
augusti24°18°184 mm★★★☆☆
september24°17°196 mm★★★☆☆
oktober23°17°176 mm★★★☆☆
november22°16°249 mm★★☆☆☆
december21°15°245 mm★★☆☆☆

Klimat type: Temperate. Källa: Open-Meteo archive (ERA5).

Bästa tiden att besöka Kauai

Go in augusti, september and oktober. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: mars, november and december - expect the least comfortable mix of heat, cold or rain.

januari★★★☆☆
februari★★★☆☆
mars★★☆☆☆
april★★★☆☆
maj★★★☆☆
juni★★★☆☆
juli★★★☆☆
augusti★★★☆☆
september★★★☆☆
oktober★★★☆☆
november★★☆☆☆
december★★☆☆☆

What och pack, what och skip

Pack for the next 7 days
  • sönglasses, a brimmed hat and SPF 30+
  • A packable rain shell - 7 of the next 7 days carry a real chance of rain
Worth avoiding
  • If your dates are flexible, avoid mars, november and december - historically the least comfortable months here.

How Kauai compares med nearby places

Annual averages, and the difference against Kauai.

PlaceDistanceAvg tempvs hereAnnual rain
Kauai County0 km18°Cabout the same3134 mm
Oahu174 km23°C+5°C warmer820 mm
Pearl Harbor National Memorial182 km25°C+7°C warmer696 mm
Daniel K. Inouye International Airport186 km24°C+6°C warmer696 mm
Honolulu County193 km24°C+6°C warmer696 mm

Se prognosen för Kauai per tidsintervall

Kauai weather - more answers

Explore Kauai

Every topic we hold for this place, and the same topic for the places around it.

Väder for related places

Frequently asked questions

Where is Kauai?

Kauai is an island in Hawaii. Its coordinates are 22.0964, -159.5261. It lies in Nordamerika.

What is the weather like in Kauai just nu?

It is currently 20°C (67°F) med duggregn. Luftfuktighet is 100% and wind is 5 km/h.

When is the best time och visit Kauai?

augusti, september and oktober offer the most comfortable conditions in Kauai, which has a temperate climate. mars, november and december are usually the hardest months for outdoor plans.

What time zone is Kauai in?

Kauai observes Pacific/Honolulu (UTC-10:00). The local time is 8:04 PM.

What is the nearest airport och Kauai?

The closest airports are Daniel K. Inouye International Airport (HNL), 186 km away.

What are the top things och do in Kauai?

Popular options include Hanalei Bay, Oahu, Pearl Harbor National Memorial, Waikiki Beach, Maui and Haleakala National Park.

What places are in Kauai?

Kauai covers 1 places in this atlas, including Hanalei Bay.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts.
Prognos and observationsOpen-Meteo (ECMWF and national models).
Luftkvalitet and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Klimat averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Väder Service.
MethodScores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown.

Last updated september 17, 2026 at 8:04 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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