Island in Hawaii

Kauai Klima and Average Vejr

Klima of Kauai: average temperatures, rainfall and seasons month by month.

☁️ 17°C now🕔 12:38 AM local📅 Best: august, september and oktober

Klima in Kauai month by month

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

janfebmaraprmajjunjulaugsepoktnovdecLine: average high · Bars: rainfall
MånedAvg highAvg lowRegnfallRating
januar21°14°194 mm★★★☆☆
februar20°13°234 mm★★★☆☆
marts20°14°320 mm★★☆☆☆
april21°15°439 mm★★★☆☆
maj21°15°342 mm★★★☆☆
juni22°16°257 mm★★★☆☆
juli23°17°298 mm★★★☆☆
august24°18°184 mm★★★☆☆
september24°17°196 mm★★★☆☆
oktober23°17°176 mm★★★☆☆
november22°16°249 mm★★☆☆☆
december21°15°245 mm★★☆☆☆

Klima type: Temperate. Kilde: Open-Meteo archive (ERA5).

Recent extremes in Kauai

Højest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.

Hottest day27°Caug 21, 2026
Coldest night8°Cjan 24, 2025
Wettest day128 mmaug 16, 2026

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

Klima by beach in Kauai

1 beaches mapped in this atlas

Bedste rejsetid Kauai

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

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

januar★★★☆☆
februar★★★☆☆
marts★★☆☆☆
april★★★☆☆
maj★★★☆☆
juni★★★☆☆
juli★★★☆☆
august★★★☆☆
september★★★☆☆
oktober★★★☆☆
november★★☆☆☆
december★★☆☆☆

What this means for Kauai

Compared med normal

Today is about average for september. The forecast high of 24°C is in line med the 24°C typical for this month.

Regn chance explained

A 88% chance means rain is expected over most of the area. Plan indoor alternatives.

Rejser and driving

Sigtbarhed is down og 0,2 km - use low beams and leave extra following distance. Wet roads are likely; braking distances roughly double in heavy rain.

Worth knowing

Northern Hemisphere, so peak summer falls in juni og august.

Worth knowing

The gap between the warmest and coldest month averages 4°C - an unusually even climate through the year.

What og pack, what og skip

Pack for the next 7 days
  • sønglasses, 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 marts, november and december - historically the least comfortable months here.

Resumé

Kauai is an island in Hawaii. Kauai is an island known for the Na Pali Coast and Waimea Canyon.

Lige nu er det 17°C (63°F) in Kauai med overskyet. Det føles som 19°C. I dag ligger temperaturen mellem 15°C og 24°C. Sandsynligheden for nedbør er 88%. Sightseeing conditions score 5.3/10 - marginal.

Det bedste tidspunkt at besøge Kauai is august, september and oktober. Klimaet er temperate. marts, november and december tend og be the least comfortable months. august is the warmest month med average highs near 24°C, while februar is the coldest med lows near 13°C.

The closest major airport is Daniel K. Inouye International Airport (HNL), about 186 km away. Nearby highlights include Hanalei Bay, Oahu, Pearl Harbor National Memorial and Waikiki Beach.

Kort sagt. Today is about average for september. The forecast high of 24°C is in line med the 24°C typical for this month. The best window og be outside is roughly 8 AM og 11 AM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Kauai today at 9.9/10. Sigtbarhed is down og 0,2 km - use low beams and leave extra following distance. Wet roads are likely; braking distances roughly double in heavy rain.

Compiled from this page's own data: atlas facts plus live Open-Meteo readings.

Quick facts about Kauai

TypeIsland
StateHawaii
LandUSA
KontinentNordamerika
Koordinater22°5′47″N 159°31′34″W (22.0964, -159.5261)
Known forthe Na Pali Coast and Waimea Canyon
Lokal tid12:38 AM (UTC-10:00)
Best monthsaugust, september and oktober
KlimaTemperate

Vejr map for Kauai

Animated model layers. Pick a layer og load it.

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

Explore Kauai

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

Klima 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 lige nu?

It is currently 17°C (63°F) med overskyet. Luftfugtighed is 100% and wind is 2 km/h.

When is the best time og visit Kauai?

august, september and oktober offer the most comfortable conditions in Kauai, which has a temperate climate. marts, 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 12:38 AM.

What is the nearest airport og Kauai?

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

What are the top things og 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.
Prognose and observationsOpen-Meteo (ECMWF and national models).
Luftkvalitet and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Klima averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Vejr 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 15, 2026 at 12:38 AM 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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