Hiroshima weather in October 2025

Expect 72°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Hiroshima in October. Check more long-term weather averages for Hiroshima in October before you book your next holiday to Japan in 2025/2026.

  • 72°F maximum daytime temperature in October in Hiroshima72
    72°F max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in October in Hiroshima12
    12 days with some rainfall
  • 55°F minimum night-time temperature in October in Hiroshima55
    55°F min night temperature
  • 11 hours of daylight per day in October in Hiroshima11
    11 hours of daylight per day
  • No heat & humidity in October in Hiroshima0
    No heat & humidity
  • 4.1 inches monthly rainfall in October in Hiroshima4.1
    4.1 inches of monthly rainfall
  • UV (maximum) index 6 (High) in October in Hiroshima6
    6 (High) UV index
  • 73°F sea temperature in October in Hiroshima73
    73°F sea temperature

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The October 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 hot is it in Hiroshima in October?

Daytime temperatures usually reach 72°F in Hiroshima in October, falling to 55°F at night.

How sunny is it in Hiroshima in October?

There are normally 6 hours of bright sunshine each day in Hiroshima in October - that's 49% of daylight hours.

How warm is the sea around Hiroshima in October?

The average sea temperature around Hiroshima in October is 73°F.

Does it rain in Hiroshima in October?

There are usually 12 days with some rain in Hiroshima in October and the average monthly rainfall is 4.1 inches.

What is the chance of a typhoon in Hiroshima in October?

On average less than 1 day in October in Hiroshima is likely to be affected by the passage of one or more tropical storms.

Hiroshima October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:05 17:55
Thursday, 16th October 2025 06:16 17:35
Friday, 31st October 2025 06:29 17:18

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