Waimea, Big Island weather in October 2025

Expect 25°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Waimea, Big Island in October. Check more long-term weather averages for Waimea, Big Island in October before you book your next holiday to Hawaii in 2025/2026.

  • 25°C maximum daytime temperature in October in Waimea, Big Island25
    25°C max day temperature
  • 6 hours of sunshine per day
  • 18 days with some rainfall in October in Waimea, Big Island18
    18 days with some rainfall
  • 17°C minimum night-time temperature in October in Waimea, Big Island17
    17°C min night temperature
  • 12 hours of daylight per day in October in Waimea, Big Island12
    12 hours of daylight per day
  • No heat & humidity in October in Waimea, Big Island0
    No heat & humidity
  • 45 mm monthly rainfall in October in Waimea, Big Island45
    45 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in October in Waimea, Big Island10
    10 (Very High) UV index

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Waimea, Big Island by month

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The October weather guide for Hawaii (Waimea, Big Island) 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 / mm)  |  Imperial (°F / inches)

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How hot is it in Waimea, Big Island in October?

Daytime temperatures usually reach 25°C in Waimea, Big Island in October with no heat and humidity, falling to 17°C at night.

How sunny is it in Waimea, Big Island in October?

There are normally 6 hours of bright sunshine each day in Waimea, Big Island in October - that's 48% of daylight hours.

Does it rain in Waimea, Big Island in October?

There are usually 18 days with some rain in Waimea, Big Island in October and the average monthly rainfall is 45mm.

Waimea, Big Island October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:14 18:10
Thursday, 16th October 2025 06:18 17:58
Friday, 31st October 2025 06:24 17:48

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