Yamagata weather in May 2026

Expect daytime maximum temperatures of 19°C in Yamagata, Japan in May based on long-term weather averages. There are 7 hours of sunshine per day on average with 17 days with some rainfall and typically 95 mm of rainfall in the month.

  • 19°C maximum daytime temperature in May in Yamagata19
    19°C max day temperature
  • 7 hours of sunshine per day
  • 17 days with some rainfall in May in Yamagata17
    17 days with some rainfall
  • 8°C minimum night-time temperature in May in Yamagata8
    8°C min night temperature
  • 14 hours of daylight per day in May in Yamagata14
    14 hours of daylight per day
  • No heat & humidity in May in Yamagata0
    No heat & humidity
  • 95 mm monthly rainfall in May in Yamagata95
    95 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Yamagata8
    8 (Very High) UV index

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The May weather guide for Japan (Yamagata) 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 Yamagata in May?

Daytime temperatures usually reach 23°C in Yamagata in May, falling to 14°C at night.

How sunny is it in Yamagata in May?

There are normally 6 hours of bright sunshine each day in Yamagata in May - that's 42% of daylight hours.

How warm is the sea around Yamagata in May?

The average sea temperature around Yamagata in May is 18°C.

Does it rain in Yamagata in May?

There are usually 16 days with some rain in Yamagata in May and the average monthly rainfall is 132mm.

Yamagata May sunrise & sunset times

Browse the sunrise and sunset times for Yamagata in May 2026. Select a month to view Yamagata sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 04:43 18:30
Saturday, 16th May 2026 04:27 18:43
Sunday, 31st May 2026 04:18 18:55

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