Hanalei, Kauai weather in October 2025

Expect daytime maximum temperatures of 82°F in Hanalei, Kauai, Hawaii in October based on long-term weather averages. There are 7 hours of sunshine per day on average with 18 days with some rainfall and typically 6.6 inches of rainfall in the month.

  • 82°F maximum daytime temperature in October in Hanalei, Kauai82
    82°F max day temperature
  • 7 hours of sunshine per day
  • 18 days with some rainfall in October in Hanalei, Kauai18
    18 days with some rainfall
  • 72°F minimum night-time temperature in October in Hanalei, Kauai72
    72°F min night temperature
  • 12 hours of daylight per day in October in Hanalei, Kauai12
    12 hours of daylight per day
  • Moderate heat & humidity in October in Hanalei, KauaiM
    Moderate heat & humidity
  • 6.6 inches monthly rainfall in October in Hanalei, Kauai6.6
    6.6 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in October in Hanalei, Kauai9
    9 (Very High) UV index
  • 81°F sea temperature in October in Hanalei, Kauai81
    81°F sea temperature

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The October weather guide for Hawaii (Hanalei, Kauai) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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How hot is it in Hanalei, Kauai in October?

Daytime temperatures usually reach 84°F in Hanalei, Kauai in October with high heat and humidity, falling to 70°F at night.

How sunny is it in Hanalei, Kauai in October?

There are normally 8 hours of bright sunshine each day in Hanalei, Kauai in October - that's 66% of daylight hours.

How warm is the sea around Hanalei, Kauai in October?

The average sea temperature around Hanalei, Kauai in October is 81°F.

Does it rain in Hanalei, Kauai in October?

There are usually 9 days with some rain in Hanalei, Kauai in October and the average monthly rainfall is 1.9 inches.

Hanalei, Kauai October sunrise & sunset times

Browse the sunrise and sunset times for Hanalei, Kauai in October 2025. Select a month to view Hanalei, Kauai sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:30 18:25
Thursday, 16th October 2025 06:35 18:12
Friday, 31st October 2025 06:42 18:01

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