Kauai County weather

Our guide to the weather in Kauai County during October

27

Average high

6

UV Index

95mm

Monthly rainfall

76%

Humidity

We've looked at the most up-to-date weather data for Kauai County, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Kauai County weather in October.

How warm is it in Kauai County during October?

The temperature is extremely stable in October with average highs of 27℃ and lows just 2℃ lower at 25℃. Of course, the high humidity will make it feel even hotter. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.

Does it rain in Kauai County during October?

On average, there will be 3 rainy days during the month, amounting to 95.0mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. You're not likely to see a thunderstorm during your trip.

Is it windy in Kauai County during October?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during October. The high humidity and warm temperature will make the breeze feel warm, so any cooling effect will be limted.

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Kauai County Blog posts

From the UK's most popular travel bloggers

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The most unforgettable things to do in Kauai

21st January 2021 by PommieTravels

The island of Kauai in Hawaii is the fourth largest and second-oldest, geographically speaking, of the Hawaiian islands. Stretching 169 kilometres across, it ranks as the 21st largest island in the United States of America. It is home to the Waimea Canyon State Park, also known as the Grand Canyon of the Pacific. The Park features Mount Wai’ale’ale, which receives extreme amounts of rainfall and is recorded as one of the wettest places on earth. Kauai is also known as the “Garden...

Weather in Kauai County

Our month-by-month guide to the weather and climate in Kauai County

24.0

Kauai County weather in

January
23.6

Kauai County weather in

February
23.5

Kauai County weather in

March
24.3

Kauai County weather in

April
25.4

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May
26.2

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June
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July
27.0

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August
27.2

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September
26.8

Kauai County weather in

October
25.6

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November
24.5

Kauai County weather in

December