Koya weather in May 2021

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  • 21°C maximum daytime temperature in May in Koya21
    21°C max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in May in Koya16
    16 days with some rainfall
  • 12°C minimum night-time temperature in May in Koya12
    12°C min night temperature
  • 14 hours of daylight per day in May in Koya14
    14 hours of daylight per day
  • No heat & humidity in May in Koya0
    No heat & humidity
  • 197 mm monthly rainfall in May in Koya197
    197 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in May in Koya9
    9 (Very High) UV index
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The May weather guide for Koya, Japan 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.

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How hot is it in Koya in May?

Daytime temperatures usually reach 21°C in Koya in May, falling to 12°C at night.

How sunny is it in Koya in May?

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

Does it rain in Koya in May?

There are usually 16 days with some rain in Koya in May and the average monthly rainfall is 197mm.

Koya sunrise & sunset times for May 2021

Browse the sunrise & sunset times for Koya in May 2021. Select a month to view Koya sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Saturday, 1st May 2021 05:08 18:42
Sunday, 16th May 2021 04:55 18:53
Monday, 31st May 2021 04:47 19:04
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Metric (°C / mm)  |  Imperial (°F / inches)

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Where is hot in Japan in May for 2021/2022?

Below are average maximum temperatures at popular destinations in Japan in May. Select a destination to see more weather parameters.

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