Waimea Bay, Oahu weather in October 2025

Expect 29°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Waimea Bay, Oahu in October. Check more long-term weather averages for Waimea Bay, Oahu in October before you book your next holiday to Hawaii in 2025/2026.

  • 29°C maximum daytime temperature in October in Waimea Bay, Oahu29
    29°C max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in October in Waimea Bay, Oahu11
    11 days with some rainfall
  • 21°C minimum night-time temperature in October in Waimea Bay, Oahu21
    21°C min night temperature
  • 12 hours of daylight per day in October in Waimea Bay, Oahu12
    12 hours of daylight per day
  • Moderate heat & humidity in October in Waimea Bay, OahuM
    Moderate heat & humidity
  • 120 mm monthly rainfall in October in Waimea Bay, Oahu120
    120 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in October in Waimea Bay, Oahu9
    9 (Very High) UV index
  • 27°C sea temperature in October in Waimea Bay, Oahu27
    27°C sea temperature

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Waimea Bay, Oahu by month

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The October weather guide for Hawaii (Waimea Bay, Oahu) 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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More about the USA

How hot is it in Waimea Bay, Oahu in October?

Daytime temperatures usually reach 29°C in Waimea Bay, Oahu in October with moderate heat and humidity, falling to 21°C at night.

How sunny is it in Waimea Bay, Oahu in October?

There are normally 8 hours of bright sunshine each day in Waimea Bay, Oahu in October - that's 65% of daylight hours.

How warm is the sea around Waimea Bay, Oahu in October?

The average sea temperature around Waimea Bay, Oahu in October is 27°C.

Does it rain in Waimea Bay, Oahu in October?

There are usually 11 days with some rain in Waimea Bay, Oahu in October and the average monthly rainfall is 120mm.

Waimea Bay, Oahu October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:24 18:19
Thursday, 16th October 2025 06:29 18:06
Friday, 31st October 2025 06:35 17:56

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