Honolulu, Oahu weather in January 2026

Expect daytime maximum temperatures of 79°F in Honolulu, Oahu, Hawaii in January based on long-term weather averages. There are 7 hours of sunshine per day on average with 10 days with some rainfall and typically 2.3 inches of rainfall in the month.

  • 79°F maximum daytime temperature in January in Honolulu, Oahu79
    79°F max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in January in Honolulu, Oahu10
    10 days with some rainfall
  • 64°F minimum night-time temperature in January in Honolulu, Oahu64
    64°F min night temperature
  • 11 hours of daylight per day in January in Honolulu, Oahu11
    11 hours of daylight per day
  • Low heat & humidity in January in Honolulu, OahuL
    Low heat & humidity
  • 2.3 inches monthly rainfall in January in Honolulu, Oahu2.3
    2.3 inches of monthly rainfall
  • UV (maximum) index 7 (High) in January in Honolulu, Oahu7
    7 (High) UV index
  • 75°F sea temperature in January in Honolulu, Oahu75
    75°F sea temperature

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Honolulu, Oahu by month

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The January weather guide for Hawaii (Honolulu, 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 Honolulu, Oahu in January?

Daytime temperatures usually reach 79°F in Honolulu, Oahu in January with low heat and humidity, falling to 64°F at night.

How sunny is it in Honolulu, Oahu in January?

There are normally 7 hours of bright sunshine each day in Honolulu, Oahu in January - that's 62% of daylight hours.

How warm is the sea around Honolulu, Oahu in January?

The average sea temperature around Honolulu, Oahu in January is 75°F.

Does it rain in Honolulu, Oahu in January?

There are usually 10 days with some rain in Honolulu, Oahu in January and the average monthly rainfall is 2.3 inches.

Honolulu, Oahu January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 07:09 18:01
Friday, 16th January 2026 07:11 18:11
Saturday, 31st January 2026 07:09 18:21

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