Wakkanai weather in December 2025

Expect daytime maximum temperatures of 32°F in Wakkanai, Japan in December based on long-term weather averages. There are 2 hours of sunshine per day on average with 29 days with some rainfall and typically 4.2 inches of rainfall in the month, which might fall as snow.

  • 32°F maximum daytime temperature in December in Wakkanai32
    32°F max day temperature
  • 2 hours of sunshine per day
  • 29 days with some rainfall in December in Wakkanai29
    29 days with some rainfall
  • 23°F minimum night-time temperature in December in Wakkanai23
    23°F min night temperature
  • 9 hours of daylight per day in December in Wakkanai9
    9 hours of daylight per day
  • No heat & humidity in December in Wakkanai0
    No heat & humidity
  • 4.2 inches monthly rainfall in December in Wakkanai4.2
    4.2 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Wakkanai1
    1 (Low) UV index
  • 43°F sea temperature in December in Wakkanai43
    43°F sea temperature

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The December 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 warm is it in Wakkanai in December?

Daytime temperatures usually reach 54°F in Wakkanai in December, falling to 37°F at night.

How sunny is it in Wakkanai in December?

There are normally 6 hours of bright sunshine each day in Wakkanai in December - that's 57% of daylight hours.

How warm is the sea around Wakkanai in December?

The average sea temperature around Wakkanai in December is 63°F.

Does it rain in Wakkanai in December?

There are usually 9 days with some rain in Wakkanai in December and the average monthly rainfall is 1.7 inches.

Wakkanai December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 06:52 15:52
Tuesday, 16th December 2025 07:07 15:51
Wednesday, 31st December 2025 07:13 16:00

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