Wakkanai weather in May 2025

Expect 12°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Wakkanai in May. Check more long-term weather averages for Wakkanai in May before you book your next holiday to Japan in 2025/2026.

  • 12°C maximum daytime temperature in May in Wakkanai12
    12°C max day temperature
  • 6 hours of sunshine per day
  • 18 days with some rainfall in May in Wakkanai18
    18 days with some rainfall
  • 6°C minimum night-time temperature in May in Wakkanai6
    6°C min night temperature
  • 15 hours of daylight per day in May in Wakkanai15
    15 hours of daylight per day
  • No heat & humidity in May in Wakkanai0
    No heat & humidity
  • 69 mm monthly rainfall in May in Wakkanai69
    69 mm of monthly rainfall
  • UV (maximum) index 6 (High) in May in Wakkanai6
    6 (High) UV index
  • 8°C sea temperature in May in Wakkanai8
    8°C sea temperature

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

Daytime temperatures usually reach 12°C in Wakkanai in May, falling to 6°C at night.

How sunny is it in Wakkanai in May?

There are normally 6 hours of bright sunshine each day in Wakkanai in May - that's 40% of daylight hours.

Is the sea cold around Wakkanai in May?

The average sea temperature around Wakkanai in May is 8°C.

Does it rain in Wakkanai in May?

There are usually 18 days with some rain in Wakkanai in May and the average monthly rainfall is 69mm.

Wakkanai May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 04:22 18:40
Friday, 16th May 2025 04:02 18:58
Saturday, 31st May 2025 03:49 19:13

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