Waimea Bay, Oahu weather in January 2026

Expect daytime maximum temperatures of 26°C in Waimea Bay, Oahu in January based on long-term weather averages. There are 7 hours of sunshine per day on average with 11 days with some rainfall and typically 141 mm of rainfall in the month.

  • 26°C maximum daytime temperature in January in Waimea Bay, Oahu26
    26°C max day temperature
  • 7 hours of sunshine per day
  • 11 days with some rainfall in January in Waimea Bay, Oahu11
    11 days with some rainfall
  • 18°C minimum night-time temperature in January in Waimea Bay, Oahu18
    18°C min night temperature
  • 11 hours of daylight per day in January in Waimea Bay, Oahu11
    11 hours of daylight per day
  • Low heat & humidity in January in Waimea Bay, OahuL
    Low heat & humidity
  • 141 mm monthly rainfall in January in Waimea Bay, Oahu141
    141 mm of monthly rainfall
  • UV (maximum) index 7 (High) in January in Waimea Bay, Oahu7
    7 (High) UV index
  • 24°C sea temperature in January in Waimea Bay, Oahu24
    24°C sea temperature

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Waimea Bay, Oahu by month

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The January 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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How hot is it in Waimea Bay, Oahu in January?

Daytime temperatures usually reach 26°C in Waimea Bay, Oahu in January with low heat and humidity, falling to 18°C at night.

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

There are normally 7 hours of bright sunshine each day in Waimea Bay, Oahu in January - that's 61% of daylight hours.

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

The average sea temperature around Waimea Bay, Oahu in January is 24°C.

Does it rain in Waimea Bay, Oahu in January?

There are usually 11 days with some rain in Waimea Bay, Oahu in January and the average monthly rainfall is 141mm.

Waimea Bay, Oahu January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 07:11 18:01
Friday, 16th January 2026 07:13 18:11
Saturday, 31st January 2026 07:10 18:21

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