Japan weather in January 2023

  • 10°C maximum daytime temperature in January in Japan (Tokyo)10
    10°C max day temperature
  • 6 hours of sunshine per day
  • 9 days with some rainfall in January in Japan (Tokyo)9
    9 days with some rainfall
  • 0°C minimum night-time temperature in January in Japan (Tokyo)0
    0°C min night temperature
  • 10 hours of daylight per day in January in Japan (Tokyo)10
    10 hours of daylight per day
  • No heat & humidity in January in Japan (Tokyo)0
    No heat & humidity
  • 43 mm monthly rainfall in January in Japan (Tokyo)43
    43 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in January in Japan (Tokyo)2
    2 (Low) UV index
  • 15°C sea temperature in January in Japan (Tokyo)15
    15°C sea temperature

Below are average maximum temperatures at popular destinations in Japan in January. Select a destination to see more weather parameters.

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Recommended for Japan

The January weather guide for Japan (Tokyo) 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.

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Metric (°C / mm)  |  Imperial (°F / inches)

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More about Japan

How warm is it in Japan in January?

Daytime temperatures usually reach 10°C in Tokyo, Japan in January, falling to 0°C at night.

How sunny is it in Japan in January?

There are normally 6 hours of bright sunshine each day in Tokyo, Japan in January - that's 59% of daylight hours.

How warm is the sea around Japan in January?

The average sea temperature around Tokyo, Japan in January is 15°C.

Does it rain in Japan in January?

There are usually 9 days with some rain in Tokyo, Japan in January and the average monthly rainfall is 43mm.

Japan January sunrise & sunset times

Browse the sunrise and sunset times for Japan in January 2023. Select a month to view Japan sunrise and sunset times for the next 12 months. The Japan sunrise and sunset times shown below are for Tokyo.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st January 2023 06:51 16:38
Monday, 16th January 2023 06:50 16:51
Tuesday, 31st January 2023 06:42 17:07

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