Osaka weather in April 2025

Expect 20°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Osaka in April. Check more long-term weather averages for Osaka in April before you book your next holiday to Japan in 2025/2026.

  • 20°C maximum daytime temperature in April in Osaka20
    20°C max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in April in Osaka16
    16 days with some rainfall
  • 10°C minimum night-time temperature in April in Osaka10
    10°C min night temperature
  • 13 hours of daylight per day in April in Osaka13
    13 hours of daylight per day
  • No heat & humidity in April in Osaka0
    No heat & humidity
  • 136 mm monthly rainfall in April in Osaka136
    136 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in April in Osaka8
    8 (Very High) UV index
  • 16°C sea temperature in April in Osaka16
    16°C sea temperature

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The April weather guide for Japan (Osaka) 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)

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More about Japan

How hot is it in Osaka in April?

Daytime temperatures usually reach 20°C in Osaka in April, falling to 10°C at night.

How sunny is it in Osaka in April?

There are normally 6 hours of bright sunshine each day in Osaka in April - that's 44% of daylight hours.

How warm is the sea around Osaka in April?

The average sea temperature around Osaka in April is 16°C.

Does it rain in Osaka in April?

There are usually 16 days with some rain in Osaka in April and the average monthly rainfall is 136mm.

Osaka April sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st April 2025 05:45 18:19
Tuesday, 15th April 2025 05:27 18:30
Wednesday, 30th April 2025 05:09 18:42

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