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Koya weather in May 2025
Expect 21°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Koya in May. Check more long-term weather averages for Koya in May before you book your next holiday to Japan in 2025/2026.
- 2121°C max day temperature
- 6 hours of sunshine per day
- 1616 days with some rainfall
- 1212°C min night temperature
- 1414 hours of daylight per day
- 0No heat & humidity
- 197197 mm of monthly rainfall
- 99 (Very High) UV index
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Koya by month
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Recommended for Japan
The May 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)
More about Japan
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 May sunrise & sunset times
Browse the sunrise and sunset times for Koya in May 2025. Select a month to view Koya sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Thursday, 1st May 2025 | 05:08 | 18:42 |
Friday, 16th May 2025 | 04:55 | 18:53 |
Saturday, 31st May 2025 | 04:47 | 19:04 |
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