Wakkanai weather in May 2026

Expect daytime maximum temperatures of 54°F in Wakkanai, 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 2.7 inches of rainfall in the month.

  • 54°F maximum daytime temperature in May in Wakkanai54
    54°F max day temperature
  • 6 hours of sunshine per day
  • 18 days with some rainfall in May in Wakkanai18
    18 days with some rainfall
  • 43°F minimum night-time temperature in May in Wakkanai43
    43°F 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
  • 2.7 inches monthly rainfall in May in Wakkanai2.7
    2.7 inches of monthly rainfall
  • UV (maximum) index 6 (High) in May in Wakkanai6
    6 (High) UV index
  • 46°F sea temperature in May in Wakkanai46
    46°F 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)  |  Imperial (°F)

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More about Japan

How hot is it in Wakkanai in May?

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

How warm is the sea around Wakkanai in May?

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

Does it rain in Wakkanai in May?

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

Wakkanai May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 04:22 18:39
Saturday, 16th May 2026 04:02 18:58
Sunday, 31st May 2026 03:49 19:13

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