Japan weather in January 2020

  • 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

Going to Japan? Find the best month to visit Japan based on the weather.

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Expect 10°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Japan in January. Check more long-term weather averages for Japan in January before you book your next holiday to Japan in 2020/2021. The January weather averages shown above are for Tokyo.

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More about Japan

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The January weather guide for Japan, represented by 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.

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

Guide to Japan weather in January

The average maximum daytime temperature in Japan in January is a cool 10°C (50°F). The average night-time temperature is usually a cold 0°C (32°F). There are usually 6 hours of bright sunshine each day, which represents 59% of the 10 hours of daylight.

Expect 43mm (1.7 inches) of rainfall across the whole of January with 9 days with some rain falling. Maximum UV levels will be low (2 UV index) at midday when the skies are clear.

The average sea temperature in and around Japan in January is 15°C (59°F).

The weather in Japan in January is represented by Tokyo.

Japan sunrise & sunset times for January 2020

Browse the sunrise & sunset times for Japan in January 2020. Select a month to view Japan sunrise & sunset times for the next twelve months. The Japan sunrise & sunset times shown below are for Tokyo.


Date Sunrise times Sunset times
Wednesday, 1st January 2020 06:51 16:38
Thursday, 2nd January 2020 06:51 16:39
Friday, 3rd January 2020 06:51 16:39
Saturday, 4th January 2020 06:51 16:40
Sunday, 5th January 2020 06:51 16:41
Monday, 6th January 2020 06:51 16:42
Tuesday, 7th January 2020 06:51 16:43
Wednesday, 8th January 2020 06:51 16:44
Thursday, 9th January 2020 06:51 16:44
Friday, 10th January 2020 06:51 16:45
Saturday, 11th January 2020 06:51 16:46
Sunday, 12th January 2020 06:51 16:47
Monday, 13th January 2020 06:51 16:48
Tuesday, 14th January 2020 06:51 16:49
Wednesday, 15th January 2020 06:50 16:50
Thursday, 16th January 2020 06:50 16:51
Friday, 17th January 2020 06:50 16:52
Saturday, 18th January 2020 06:49 16:53
Sunday, 19th January 2020 06:49 16:54
Monday, 20th January 2020 06:49 16:55
Tuesday, 21st January 2020 06:48 16:56
Wednesday, 22nd January 2020 06:48 16:57
Thursday, 23rd January 2020 06:47 16:58
Friday, 24th January 2020 06:47 16:59
Saturday, 25th January 2020 06:46 17:00
Sunday, 26th January 2020 06:46 17:01
Monday, 27th January 2020 06:45 17:02
Tuesday, 28th January 2020 06:45 17:03
Wednesday, 29th January 2020 06:44 17:04
Thursday, 30th January 2020 06:43 17:05
Friday, 31st January 2020 06:43 17:06
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