Kauai Klima and Average Vær
Klima of Kauai: average temperatures, rainfall and seasons month by month.
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 | ★★★☆☆ |
| mars | 20° | 14° | 320 mm | ★★☆☆☆ |
| april | 21° | 15° | 439 mm | ★★★☆☆ |
| mai | 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 | ★★☆☆☆ |
| desember | 21° | 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.
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 |
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.
What this means for Kauai
Today is about average for september. The forecast high of 22°C is in line med the 24°C typical for this month.
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.
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.
Northern Hemisphere, so peak summer falls in juni til august.
The gap between the warmest and coldest month averages 4°C - an unusually even climate through the year.
What til pack, what til 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 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
| Type | Island |
|---|---|
| State | Hawaii |
| Land | USA |
| Kontinent | Nord-Amerika |
| Koordinater | 22°5′47″N 159°31′34″W (22.0964, -159.5261) |
| Known for | the Na Pali Coast and Waimea Canyon |
| Lokal tid | 2:04 PM (UTC-10:00) |
| Best months | januar, september and oktober |
| Klima | Temperate |
Vær map for Kauai
Animated model layers. Pick a layer til load it.
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 data | USPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts. |
|---|---|
| Værmelding 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 Vær 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 2:04 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.





