Waimea Bay, Oahu weather in December 2025

Expect daytime maximum temperatures of 79°F in Waimea Bay, Oahu, Hawaii in December based on long-term weather averages. There are 6 hours of sunshine per day on average with 12 days with some rainfall and typically 6.3 inches of rainfall in the month.

  • 79°F maximum daytime temperature in December in Waimea Bay, Oahu79
    79°F max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in December in Waimea Bay, Oahu12
    12 days with some rainfall
  • 66°F minimum night-time temperature in December in Waimea Bay, Oahu66
    66°F min night temperature
  • 11 hours of daylight per day in December in Waimea Bay, Oahu11
    11 hours of daylight per day
  • Low heat & humidity in December in Waimea Bay, OahuL
    Low heat & humidity
  • 6.3 inches monthly rainfall in December in Waimea Bay, Oahu6.3
    6.3 inches of monthly rainfall
  • UV (maximum) index 6 (High) in December in Waimea Bay, Oahu6
    6 (High) UV index
  • 77°F sea temperature in December in Waimea Bay, Oahu77
    77°F sea temperature

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Waimea Bay, Oahu by month

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The December 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 December?

Daytime temperatures usually reach 79°F in Waimea Bay, Oahu in December with low heat and humidity, falling to 66°F at night.

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

There are normally 6 hours of bright sunshine each day in Waimea Bay, Oahu in December - that's 57% of daylight hours.

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

The average sea temperature around Waimea Bay, Oahu in December is 77°F.

Does it rain in Waimea Bay, Oahu in December?

There are usually 12 days with some rain in Waimea Bay, Oahu in December and the average monthly rainfall is 6.3 inches.

Waimea Bay, Oahu December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 06:54 17:49
Tuesday, 16th December 2025 07:04 17:53
Wednesday, 31st December 2025 07:10 18:01

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