Island in Hawaii

Kauai Klima and Average Vær

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

🌦️ 21°C now🕔 2:04 PM local📅 Best: januar, september and oktober

Klima in Kauai month by month

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

janfebmaraprmaijunjulaugsepoktnovdesLine: average high · Bars: rainfall
MånedAvg highAvg lowRegnfallRating
januar21°14°194 mm★★★☆☆
februar20°13°234 mm★★★☆☆
mars20°14°320 mm★★☆☆☆
april21°15°439 mm★★★☆☆
mai21°15°342 mm★★★☆☆
juni22°16°257 mm★★★☆☆
juli23°17°298 mm★★★☆☆
august24°18°259 mm★★★☆☆
september24°17°224 mm★★★☆☆
oktober23°17°176 mm★★★☆☆
november22°16°249 mm★★☆☆☆
desember21°15°245 mm★★☆☆☆

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

Recent extremes in Kauai

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

Hottest day27°Csep 8, 2026
Coldest night8°Cjan 24, 2025
Wettest day165 mmsep 7, 2026

How Kauai compares med nearby places

Annual averages, and the difference against Kauai.

PlaceDistanceAvg tempvs hereAnnual rain
Kauai County0 km18°Cabout the same3237 mm
Oahu174 km23°C+5°C warmer844 mm
Pearl Harbor National Memorial182 km25°C+7°C warmer717 mm
Daniel K. Inouye International Airport186 km24°C+6°C warmer717 mm
Honolulu County193 km24°C+6°C warmer717 mm

Klima by beach in Kauai

1 beaches mapped in this atlas

Beste tid å besøke Kauai

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

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

januar★★★☆☆
februar★★★☆☆
mars★★☆☆☆
april★★★☆☆
mai★★★☆☆
juni★★★☆☆
juli★★★☆☆
august★★★☆☆
september★★★☆☆
oktober★★★☆☆
november★★☆☆☆
desember★★☆☆☆

What this means for Kauai

Compared med normal

Today is about average for september. The forecast high of 22°C is in line med the 24°C typical for this month.

Regn chance explained

A 100% chance means rain is expected over most of the area. Plan indoor alternatives. Around 83 mm is forecast, which is enough til soak trails and slow traffic.

Reiser and driving

Sikt is down til 0,5 km - use low beams and leave extra following distance. Vindkast til 61 km/h will push high-sided vehicles on exposed roads and bridges. Wet roads are likely; braking distances roughly double in heavy rain.

Worth knowing

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

Worth knowing

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

What til pack, what til skip

Pack for the next 7 days
  • A packable rain shell - 7 of the next 7 days carry a real chance of rain
Worth avoiding
  • Avoid exposed ridgelines, small boats and rooftop viewpoints while gusts stay above 61 km/h.
  • Avoid swimming outside patrolled areas - waves are running at 2.1 m.
  • If your dates are flexible, avoid mars, november and desember - historically the least comfortable months here.

Sammendrag

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

Akkurat nå er det 21°C (71°F) in Kauai med light showers. Det føles som 25°C. I dag varierer temperaturen mellom 19°C til 22°C. Sannsynligheten for nedbør er 100%. Sightseeing conditions score 4.8/10 - marginalt.

Beste tidspunkt å besøke Kauai is januar, september and oktober. Klimaet er temperate. mars, november and desember tend til 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 22°C is in line med the 24°C typical for this month. The best window til be outside is roughly 3 PM til 6 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Kauai today at 9.4/10. Sikt is down til 0,5 km - use low beams and leave extra following distance. Vindkast til 61 km/h will push high-sided vehicles on exposed roads and bridges. 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
KontinentNord-Amerika
Koordinater22°5′47″N 159°31′34″W (22.0964, -159.5261)
Known forthe Na Pali Coast and Waimea Canyon
Lokal tid2:04 PM (UTC-10:00)
Best monthsjanuar, september and oktober
KlimaTemperate

Vær map for Kauai

Animated model layers. Pick a layer til 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 Nord-Amerika.

What is the weather like in Kauai akkurat nå?

It is currently 21°C (71°F) med light showers. Luftfuktighet is 99% and wind is 9 km/h.

When is the best time til visit Kauai?

januar, september and oktober offer the most comfortable conditions in Kauai, which has a temperate climate. mars, november and desember 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 2:04 PM.

What is the nearest airport til Kauai?

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

What are the top things til 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.
Værmelding 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 Vær 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 30, 2026 at 2:04 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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