Nikko weather in May 2026

Expect daytime maximum temperatures of 63°F 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 5.8 inches of rainfall in the month.

  • 63°F maximum daytime temperature in May in Nikko63
    63°F max day temperature
  • 6 hours of sunshine per day
  • 18 days with some rainfall in May in Nikko18
    18 days with some rainfall
  • 43°F minimum night-time temperature in May in Nikko43
    43°F 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
  • 5.8 inches monthly rainfall in May in Nikko5.8
    5.8 inches 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)  |  Imperial (°F)

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More about Japan

How hot is it in Nikko in May?

Daytime temperatures usually reach 73°F in Nikko in May, falling to 57°F 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 42% of daylight hours.

How warm is the sea around Nikko in May?

The average sea temperature around Nikko in May is 64°F.

Does it rain in Nikko in May?

There are usually 16 days with some rain in Nikko in May and the average monthly rainfall is 5.2 inches.

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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