Okayama weather in May 2025

Expect 75°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Okayama in May. Check more long-term weather averages for Okayama in May before you book your next holiday to Japan in 2025/2026.

  • 75°F maximum daytime temperature in May in Okayama75
    75°F max day temperature
  • 7 hours of sunshine per day
  • 14 days with some rainfall in May in Okayama14
    14 days with some rainfall
  • 55°F minimum night-time temperature in May in Okayama55
    55°F min night temperature
  • 14 hours of daylight per day in May in Okayama14
    14 hours of daylight per day
  • No heat & humidity in May in Okayama0
    No heat & humidity
  • 4.5 inches monthly rainfall in May in Okayama4.5
    4.5 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in May in Okayama9
    9 (Very High) UV index

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The May weather guide for Japan (Okayama) 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)  |  Imperial (°F)

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More about Japan

How hot is it in Okayama in May?

Daytime temperatures usually reach 75°F in Okayama in May, falling to 55°F at night.

How sunny is it in Okayama in May?

There are normally 7 hours of bright sunshine each day in Okayama in May - that's 47% of daylight hours.

Does it rain in Okayama in May?

There are usually 14 days with some rain in Okayama in May and the average monthly rainfall is 4.5 inches.

Okayama May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:14 18:49
Friday, 16th May 2025 05:01 19:01
Saturday, 31st May 2025 04:53 19:11

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