Nagasaki weather in May 2025

Expect 73°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Nagasaki in May. Check more long-term weather averages for Nagasaki in May before you book your next holiday to Japan in 2025/2026.

  • 73°F maximum daytime temperature in May in Nagasaki73
    73°F max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in May in Nagasaki16
    16 days with some rainfall
  • 59°F minimum night-time temperature in May in Nagasaki59
    59°F min night temperature
  • 14 hours of daylight per day in May in Nagasaki14
    14 hours of daylight per day
  • No heat & humidity in May in Nagasaki0
    No heat & humidity
  • 8.4 inches monthly rainfall in May in Nagasaki8.4
    8.4 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in May in Nagasaki10
    10 (Very High) UV index
  • 66°F sea temperature in May in Nagasaki66
    66°F sea temperature

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

Daytime temperatures usually reach 73°F in Nagasaki in May, falling to 59°F at night.

How sunny is it in Nagasaki in May?

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

How warm is the sea around Nagasaki in May?

The average sea temperature around Nagasaki in May is 66°F.

Does it rain in Nagasaki in May?

There are usually 16 days with some rain in Nagasaki in May and the average monthly rainfall is 8.4 inches.

Nagasaki May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:34 19:02
Friday, 16th May 2025 05:21 19:13
Saturday, 31st May 2025 05:14 19:23

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