Hanalei, Kauai weather in October 2025

Expect 82°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Hanalei, Kauai in October. Check more long-term weather averages for Hanalei, Kauai in October before you book your next holiday to Hawaii in 2025/2026.

  • 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 82°F in Hanalei, Kauai in October with moderate heat and humidity, falling to 72°F at night.

How sunny is it in Hanalei, Kauai in October?

There are normally 7 hours of bright sunshine each day in Hanalei, Kauai in October - that's 59% 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 18 days with some rain in Hanalei, Kauai in October and the average monthly rainfall is 6.6 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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