Niigata weather in December 2025

Expect daytime maximum temperatures of 8°C in Niigata, Japan in December based on long-term weather averages. There are 2 hours of sunshine per day on average with 28 days with some rainfall and typically 216 mm of rainfall in the month.

  • 8°C maximum daytime temperature in December in Niigata8
    8°C max day temperature
  • 2 hours of sunshine per day
  • 28 days with some rainfall in December in Niigata28
    28 days with some rainfall
  • 2°C minimum night-time temperature in December in Niigata2
    2°C min night temperature
  • 10 hours of daylight per day in December in Niigata10
    10 hours of daylight per day
  • No heat & humidity in December in Niigata0
    No heat & humidity
  • 216 mm monthly rainfall in December in Niigata216
    216 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in December in Niigata2
    2 (Low) UV index
  • 15°C sea temperature in December in Niigata15
    15°C sea temperature

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The December weather guide for Japan (Niigata) 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 Niigata in December?

Daytime temperatures usually reach 8°C in Niigata in December, falling to 2°C at night.

How sunny is it in Niigata in December?

There are normally 2 hours of bright sunshine each day in Niigata in December - that's 22% of daylight hours.

How warm is the sea around Niigata in December?

The average sea temperature around Niigata in December is 15°C.

Does it rain in Niigata in December?

There are usually 28 days with some rain in Niigata in December and the average monthly rainfall is 216mm.

Niigata December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 06:41 16:25
Tuesday, 16th December 2025 06:53 16:26
Wednesday, 31st December 2025 06:59 16:34

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