Hilo, Big Island weather in January 2025

Expect 70°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Hilo, Big Island in January. Check more long-term weather averages for Hilo, Big Island in January before you book your next holiday to Hawaii in 2025/2026.

  • 70°F maximum daytime temperature in January in Hilo, Big Island70
    70°F max day temperature
  • 5 hours of sunshine per day
  • 13 days with some rainfall in January in Hilo, Big Island13
    13 days with some rainfall
  • 55°F minimum night-time temperature in January in Hilo, Big Island55
    55°F min night temperature
  • 11 hours of daylight per day in January in Hilo, Big Island11
    11 hours of daylight per day
  • Low heat & humidity in January in Hilo, Big IslandL
    Low heat & humidity
  • 9.3 inches monthly rainfall in January in Hilo, Big Island9.3
    9.3 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in January in Hilo, Big Island8
    8 (Very High) UV index
  • 75°F sea temperature in January in Hilo, Big Island75
    75°F sea temperature

More about Hilo, Big Island

Hilo, Big Island by month

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The January weather guide for Hawaii (Hilo, Big Island) 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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More about the USA

How hot is it in Hilo, Big Island in January?

Daytime temperatures usually reach 70°F in Hilo, Big Island in January, falling to 55°F at night.

How sunny is it in Hilo, Big Island in January?

There are normally 5 hours of bright sunshine each day in Hilo, Big Island in January - that's 46% of daylight hours.

How warm is the sea around Hilo, Big Island in January?

The average sea temperature around Hilo, Big Island in January is 75°F.

Does it rain in Hilo, Big Island in January?

There are usually 13 days with some rain in Hilo, Big Island in January and the average monthly rainfall is 9.3 inches.

Hilo, Big Island January sunrise & sunset times

Browse the sunrise and sunset times for Hilo, Big Island in January 2025. Select a month to view Hilo, Big Island sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 06:55 17:53
Thursday, 16th January 2025 06:58 18:03
Friday, 31st January 2025 06:56 18:12

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