Hiroshima weather in January 2025

Expect 46°F daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Hiroshima in January. Check more long-term weather averages for Hiroshima in January before you book your next holiday to Japan in 2025/2026.

  • 46°F maximum daytime temperature in January in Hiroshima46
    46°F max day temperature
  • 4 hours of sunshine per day
  • 19 days with some rainfall in January in Hiroshima19
    19 days with some rainfall
  • 32°F minimum night-time temperature in January in Hiroshima32
    32°F min night temperature
  • 10 hours of daylight per day in January in Hiroshima10
    10 hours of daylight per day
  • No heat & humidity in January in Hiroshima0
    No heat & humidity
  • 2.3 inches monthly rainfall in January in Hiroshima2.3
    2.3 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in January in Hiroshima3
    3 (Moderate) UV index
  • 59°F sea temperature in January in Hiroshima59
    59°F sea temperature

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The January weather guide for Japan (Hiroshima) 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 Japan

How warm is it in Hiroshima in January?

Daytime temperatures usually reach 46°F in Hiroshima in January, falling to 32°F at night.

How sunny is it in Hiroshima in January?

There are normally 4 hours of bright sunshine each day in Hiroshima in January - that's 38% of daylight hours.

How warm is the sea around Hiroshima in January?

The average sea temperature around Hiroshima in January is 59°F.

Does it rain in Hiroshima in January?

There are usually 19 days with some rain in Hiroshima in January and the average monthly rainfall is 2.3 inches.

Hiroshima January sunrise & sunset times

Browse the sunrise and sunset times for Hiroshima in January 2025. Select a month to view Hiroshima sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 07:17 17:11
Thursday, 16th January 2025 07:16 17:24
Friday, 31st January 2025 07:09 17:39

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