Kumagaya weather in May 2026

Expect daytime maximum temperatures of 23°C in Kumagaya, Japan in May based on long-term weather averages. There are 6 hours of sunshine per day on average with 16 days with some rainfall and typically 113 mm of rainfall in the month.

  • 23°C maximum daytime temperature in May in Kumagaya23
    23°C max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in May in Kumagaya16
    16 days with some rainfall
  • 13°C minimum night-time temperature in May in Kumagaya13
    13°C min night temperature
  • 14 hours of daylight per day in May in Kumagaya14
    14 hours of daylight per day
  • No heat & humidity in May in Kumagaya0
    No heat & humidity
  • 113 mm monthly rainfall in May in Kumagaya113
    113 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in May in Kumagaya9
    9 (Very High) UV index

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

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

How sunny is it in Kumagaya in May?

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

How warm is the sea around Kumagaya in May?

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

Does it rain in Kumagaya in May?

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

Kumagaya May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 04:50 18:30
Saturday, 16th May 2026 04:36 18:42
Sunday, 31st May 2026 04:27 18:53

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