Yamagata weather in December 2025

Expect daytime maximum temperatures of 39°F in Yamagata, Japan in December based on long-term weather averages. There are 3 hours of sunshine per day on average with 27 days with some rainfall and typically 2.8 inches of rainfall in the month, which might fall as snow.

  • 39°F maximum daytime temperature in December in Yamagata39
    39°F max day temperature
  • 3 hours of sunshine per day
  • 27 days with some rainfall in December in Yamagata27
    27 days with some rainfall
  • 27°F minimum night-time temperature in December in Yamagata27
    27°F min night temperature
  • 10 hours of daylight per day in December in Yamagata10
    10 hours of daylight per day
  • No heat & humidity in December in Yamagata0
    No heat & humidity
  • 2.8 inches monthly rainfall in December in Yamagata2.8
    2.8 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in December in Yamagata2
    2 (Low) UV index

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The December weather guide for Japan (Yamagata) 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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How cold is it in Yamagata in December?

Daytime temperatures usually reach 39°F in Yamagata in December, falling to 27°F at night.

How sunny is it in Yamagata in December?

There are normally 3 hours of bright sunshine each day in Yamagata in December - that's 36% of daylight hours.

Does it rain in Yamagata in December?

There are usually 27 days with some rain in Yamagata in December and the average monthly rainfall is 2.8 inches. Rain may fall as snow in this month.

Yamagata December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 06:36 16:19
Tuesday, 16th December 2025 06:49 16:20
Wednesday, 31st December 2025 06:55 16:28

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