During Winter, Japan is very cold and snowy in the nothern areas. However, the weather will not prevent you from doing your activities and visiting many places. You still can enjoy the beautiful winter going to the famous Sapporo Snow Festivel, strolling trhough a christmas market, or event doing some skiing, eating seasonal Japanese foods, and seeing the christmas illuminations.
Also, there's the possibility to enjoy the Hatsumōde, celebrating New Year like a local in a shinto shrine. 

Here's a small list of some of the best things you can do when you visit Japan during the winter. Please keep these in mind when planning your trip.

Sapporo Snow Festival

A snow festival featuring snow statues and illumination centering around Odori Avenue in Sapporo
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Myoko Highland

The substantial snowfall is the biggest attraction. A highland resort where you can truly enjoy skiing and an “onsen”
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Manza Onsen

A superb view from an outdoor bath! This hot springs village in the mountains offers a beautiful landscape to go along with their hot springs
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Niseko Village Ski Resort

Enjoy sports, shopping and cuisine as you enjoy nature on Mt. Niseko Annupuri
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Jigokudani Monkey Park

Famous worldwide! Japanese macaque monkeys soaking in hot springs in a cold and snowy valley
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