Honolulu, Oahu weather in January 2026

Expect daytime maximum temperatures of 26°C 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 59 mm of rainfall in the month.

  • 26°C maximum daytime temperature in January in Honolulu, Oahu26
    26°C max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in January in Honolulu, Oahu10
    10 days with some rainfall
  • 18°C minimum night-time temperature in January in Honolulu, Oahu18
    18°C 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
  • 59 mm monthly rainfall in January in Honolulu, Oahu59
    59 mm of monthly rainfall
  • UV (maximum) index 7 (High) in January in Honolulu, Oahu7
    7 (High) UV index
  • 24°C sea temperature in January in Honolulu, Oahu24
    24°C sea temperature

More about Honolulu, Oahu

Honolulu, Oahu by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Hawaii

Cosmos: Flight-inclusive tours from £999

  • Book tours with flights from just £999 per person
  • Pay low deposits from £150 per person to secure tour
  • Travel before 31st December 2025 (inclusive)
Go to Cosmos deal >>

Expires at 23:59 on Monday 31st Mar 2025 · View all Cosmos offers

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 / mm)  |  Imperial (°F / inches)

Back to top

More about the USA

How hot is it in Honolulu, Oahu in January?

Daytime temperatures usually reach 26°C in Honolulu, Oahu in January with low heat and humidity, falling to 18°C 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 24°C.

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 59mm.

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

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^