Hanalei, Kauai weather in January 2026

Expect daytime maximum temperatures of 77°F in Hanalei, Kauai, Hawaii in January based on long-term weather averages. There are 6 hours of sunshine per day on average with 15 days with some rainfall and typically 6.9 inches of rainfall in the month.

  • 77°F maximum daytime temperature in January in Hanalei, Kauai77
    77°F max day temperature
  • 6 hours of sunshine per day
  • 15 days with some rainfall in January in Hanalei, Kauai15
    15 days with some rainfall
  • 64°F minimum night-time temperature in January in Hanalei, Kauai64
    64°F min night temperature
  • 11 hours of daylight per day in January in Hanalei, Kauai11
    11 hours of daylight per day
  • Low heat & humidity in January in Hanalei, KauaiL
    Low heat & humidity
  • 6.9 inches monthly rainfall in January in Hanalei, Kauai6.9
    6.9 inches of monthly rainfall
  • UV (maximum) index 7 (High) in January in Hanalei, Kauai7
    7 (High) UV index
  • 75°F sea temperature in January in Hanalei, Kauai75
    75°F sea temperature

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Hanalei, Kauai by month

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The January 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 January?

Daytime temperatures usually reach 77°F in Hanalei, Kauai in January with low heat and humidity, falling to 64°F at night.

How sunny is it in Hanalei, Kauai in January?

There are normally 6 hours of bright sunshine each day in Hanalei, Kauai in January - that's 53% of daylight hours.

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

The average sea temperature around Hanalei, Kauai in January is 75°F.

Does it rain in Hanalei, Kauai in January?

There are usually 15 days with some rain in Hanalei, Kauai in January and the average monthly rainfall is 6.9 inches.

Hanalei, Kauai January sunrise & sunset times

Browse the sunrise and sunset times for Hanalei, Kauai in January 2026. Select a month to view Hanalei, Kauai sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 07:17 18:06
Friday, 16th January 2026 07:20 18:16
Saturday, 31st January 2026 07:17 18:26

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