Nikko weather in May 2026

Expect daytime maximum temperatures of 17°C in Nikko, Japan in May based on long-term weather averages. There are 6 hours of sunshine per day on average with 18 days with some rainfall and typically 147 mm of rainfall in the month.

  • 17°C maximum daytime temperature in May in Nikko17
    17°C max day temperature
  • 6 hours of sunshine per day
  • 18 days with some rainfall in May in Nikko18
    18 days with some rainfall
  • 6°C minimum night-time temperature in May in Nikko6
    6°C min night temperature
  • 14 hours of daylight per day in May in Nikko14
    14 hours of daylight per day
  • No heat & humidity in May in Nikko0
    No heat & humidity
  • 147 mm monthly rainfall in May in Nikko147
    147 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in May in Nikko9
    9 (Very High) UV index

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The May weather guide for Japan (Nikko) 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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How warm is it in Nikko in May?

Daytime temperatures usually reach 17°C in Nikko in May, falling to 6°C at night.

How sunny is it in Nikko in May?

There are normally 6 hours of bright sunshine each day in Nikko in May - that's 43% of daylight hours.

Does it rain in Nikko in May?

There are usually 18 days with some rain in Nikko in May and the average monthly rainfall is 147mm.

Nikko May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 04:48 18:30
Saturday, 16th May 2026 04:34 18:43
Sunday, 31st May 2026 04:25 18:54

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