Kauai Väder Prognos
Kauai weather: 20°C, duggregn. Varje timme forecast, 14-day outlook, UV, air quality and the best time och visit.
Kauai weather in augusti
One of the best months och visit Kauai.
augusti runs 2°C warmer than the annual average in Kauai.
Compare med september.
Väder map for Kauai
Animated model layers. Pick a layer och load it.
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.
| Månad | Avg high | Avg low | Regnfall | Rating |
|---|---|---|---|---|
| januari | 21° | 14° | 194 mm | ★★★☆☆ |
| februari | 20° | 13° | 234 mm | ★★★☆☆ |
| mars | 20° | 14° | 320 mm | ★★☆☆☆ |
| april | 21° | 15° | 439 mm | ★★★☆☆ |
| maj | 21° | 15° | 342 mm | ★★★☆☆ |
| juni | 22° | 16° | 257 mm | ★★★☆☆ |
| juli | 23° | 17° | 298 mm | ★★★☆☆ |
| augusti | 24° | 18° | 184 mm | ★★★☆☆ |
| september | 24° | 17° | 196 mm | ★★★☆☆ |
| oktober | 23° | 17° | 176 mm | ★★★☆☆ |
| november | 22° | 16° | 249 mm | ★★☆☆☆ |
| december | 21° | 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.
What och pack, what och skip
- sönglasses, a brimmed hat and SPF 30+
- A packable rain shell - 7 of the next 7 days carry a real chance of rain
- 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.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Kauai County | 0 km | 18°C | about the same | 3134 mm |
| Oahu | 174 km | 23°C | +5°C warmer | 820 mm |
| Pearl Harbor National Memorial | 182 km | 25°C | +7°C warmer | 696 mm |
| Daniel K. Inouye International Airport | 186 km | 24°C | +6°C warmer | 696 mm |
| Honolulu County | 193 km | 24°C | +6°C warmer | 696 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 8:26 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 data | USPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts. |
|---|---|
| Prognos and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klimat averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Väder 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 17, 2026 at 8:26 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.





