Koya weather in April 2025

Expect 17°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Koya in April. Check more long-term weather averages for Koya in April before you book your next holiday to Japan in 2025/2026.

  • 17°C maximum daytime temperature in April in Koya17
    17°C max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in April in Koya16
    16 days with some rainfall
  • 7°C minimum night-time temperature in April in Koya7
    7°C min night temperature
  • 13 hours of daylight per day in April in Koya13
    13 hours of daylight per day
  • No heat & humidity in April in Koya0
    No heat & humidity
  • 191 mm monthly rainfall in April in Koya191
    191 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in April in Koya8
    8 (Very High) UV index

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The April weather guide for Japan (Koya) 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 warm is it in Koya in April?

Daytime temperatures usually reach 17°C in Koya in April, falling to 7°C at night.

How sunny is it in Koya in April?

There are normally 6 hours of bright sunshine each day in Koya in April - that's 43% of daylight hours.

Does it rain in Koya in April?

There are usually 16 days with some rain in Koya in April and the average monthly rainfall is 191mm.

Koya April sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st April 2025 05:45 18:18
Tuesday, 15th April 2025 05:27 18:29
Wednesday, 30th April 2025 05:09 18:41

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