Japan Weather in January

January is the coldest month throughout Japan, as the low average temperature drops to 2℃ (35.6℉) or so; to the colder Hokkaido region, the low temperature may reach -5℃ (23℉) averagely and even lower. There would be a few rainfall or snowfall in Japan, the north you go, the thicker the snow is. Thus, you have to keep yourselves warm especially when going outdoors. Generally, there are more rainfall or snowfall on the northwestern side, where the monsoon blowing across Sea of Japan would bring precipitation to the coast, than the shore of Pacific Ocean in the southeast of Japan. 

  Thermal winter clothes are suitable in January around Japan, like sweaters, thick overcoat, wool overcoat, down coat, paddled trousers, snow boots, and thick long boots. You can also wear gloves, padded hat, and scarf outsides. In air-contained rooms, you may take off the outer top; while getting out, wrap yourselves up.
  Slack Season
 Recommendation Rate: 
Although January is freezing in Japan, it’s the best time for winter sports like skiing, admiring snow landscapes, and experience Japanese New Year.
 

Senso-ji Temple Tokyo, New Year First Visit

 Winter is the best time for skiing, and Japan has some great ski resorts in the central mountainous region and northern Hokkaido. The beginners and practiced skiers could always find the appropriate ski runs.  
 Shirakawa-go is very famous for the snow-covered scenery, which is surprisingly beautiful, looking like a peaceful and pure fairyland. It is visit-worthy to enjoy the fine countryside scenery as well as historical folk house construction. 
 Japanese have the tradition to visit a shrine or temple, where would turn to be very bustling at a festive vibe. You could get to experience such an atmosphere, but take good care of yourself and your family in the crowds.
 There are some colorful winter illuminations during winter in Japan, making the night view more attractive in the cities. In January, you could also enjoy some illuminations such as Marunouchi and Caretta Shiodome in Tokyo.

  Do wear thick to keep warm when getting outdoors.
 Prepare well for skin protection from the coldness and strong wind, such as applying face and hand creams every day.
 Please respect the local culture and do as the locals do especially in a shrine or temple.