Waimea Bay, Oahu weather in October 2025

Expect daytime maximum temperatures of 84°F in Waimea Bay, Oahu, Hawaii in October based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 4.7 inches of rainfall in the month.

  • 84°F maximum daytime temperature in October in Waimea Bay, Oahu84
    84°F 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
  • 70°F minimum night-time temperature in October in Waimea Bay, Oahu70
    70°F 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
  • 4.7 inches monthly rainfall in October in Waimea Bay, Oahu4.7
    4.7 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in October in Waimea Bay, Oahu9
    9 (Very High) UV index
  • 81°F sea temperature in October in Waimea Bay, Oahu81
    81°F 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)  |  Imperial (°F)

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

Daytime temperatures usually reach 84°F in Waimea Bay, Oahu in October with high heat and humidity, falling to 70°F 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 66% 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 81°F.

Does it rain in Waimea Bay, Oahu in October?

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

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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