Hiroshima weather in April 2025

Expect 64°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Hiroshima in April. Check more long-term weather averages for Hiroshima in April before you book your next holiday to Japan in 2025/2026.

  • 64°F maximum daytime temperature in April in Hiroshima64
    64°F max day temperature
  • 6 hours of sunshine per day
  • 15 days with some rainfall in April in Hiroshima15
    15 days with some rainfall
  • 48°F minimum night-time temperature in April in Hiroshima48
    48°F min night temperature
  • 13 hours of daylight per day in April in Hiroshima13
    13 hours of daylight per day
  • No heat & humidity in April in Hiroshima0
    No heat & humidity
  • 6.3 inches monthly rainfall in April in Hiroshima6.3
    6.3 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in April in Hiroshima8
    8 (Very High) UV index
  • 59°F sea temperature in April in Hiroshima59
    59°F sea temperature

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The April 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 April?

Daytime temperatures usually reach 64°F in Hiroshima in April, falling to 48°F at night.

How sunny is it in Hiroshima in April?

There are normally 6 hours of bright sunshine each day in Hiroshima in April - that's 45% of daylight hours.

How warm is the sea around Hiroshima in April?

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

Does it rain in Hiroshima in April?

There are usually 15 days with some rain in Hiroshima in April and the average monthly rainfall is 6.3 inches.

Hiroshima April sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st April 2025 05:58 18:31
Tuesday, 15th April 2025 05:39 18:42
Wednesday, 30th April 2025 05:22 18:54

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