Kauai Vejr Prognose
Kauai weather: 21°C, light showers. Hver time forecast, 14-day outlook, UV, air quality and the best time og visit.
Kauai weather in december
One of the harder months here - go in med a plan.
december runs 1°C cooler than the annual average in Kauai.
Compare med november.
Vejr map for Kauai
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Animated layers by Vindy. For pin-level detail and nearby places, see the interactive map below.
Klima in Kauai month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Måned | Avg high | Avg low | Regnfall | Rating |
|---|---|---|---|---|
| januar | 21° | 14° | 194 mm | ★★★☆☆ |
| februar | 20° | 13° | 234 mm | ★★★☆☆ |
| marts | 20° | 14° | 320 mm | ★★☆☆☆ |
| april | 21° | 15° | 439 mm | ★★★☆☆ |
| maj | 21° | 15° | 342 mm | ★★★☆☆ |
| juni | 22° | 16° | 257 mm | ★★★☆☆ |
| juli | 23° | 17° | 298 mm | ★★★☆☆ |
| august | 24° | 18° | 259 mm | ★★★☆☆ |
| september | 24° | 17° | 224 mm | ★★★☆☆ |
| oktober | 23° | 17° | 176 mm | ★★★☆☆ |
| november | 22° | 16° | 249 mm | ★★☆☆☆ |
| december | 21° | 15° | 245 mm | ★★☆☆☆ |
Klima type: Temperate. Kilde: Open-Meteo archive (ERA5).
Bedste rejsetid Kauai
Go in januar, 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.
What og pack, what og skip
- A packable rain shell - 7 of the next 7 days carry a real chance of rain
- 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 marts, november and december - historically the least comfortable months here.
How Kauai compares med nearby places
Annual averages, and the difference against Kauai.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Kauai County | 0 km | 18°C | about the same | 3237 mm |
| Oahu | 174 km | 23°C | +5°C warmer | 844 mm |
| Pearl Harbor National Memorial | 182 km | 25°C | +7°C warmer | 717 mm |
| Daniel K. Inouye International Airport | 186 km | 24°C | +6°C warmer | 717 mm |
| Honolulu County | 193 km | 24°C | +6°C warmer | 717 mm |
Se prognosen for Kauai efter tidsinterval
Kauai weather - more answers
Explore Kauai
Every topic we hold for this place, and the same topic for the places around it.
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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 21°C (69°F) med light showers. Luftfugtighed is 98% and wind is 9 km/h.
When is the best time og visit Kauai?
januar, 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 10:22 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 data | USPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts. |
|---|---|
| Prognose and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klima averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Vejr Service. |
| Method | Scores, 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 10:22 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
