Japan in January: Weather, Crowds and What to Do

Crisp blue skies in Tokyo, deep snow on the Sea of Japan side and a quiet calm once the New Year holiday ends.

Published October 18, 2026 at 8:58 PM JST | By Tokyo Paul

Quick answer: January is Japan's coldest month. Tokyo is dry and sunny with chilly nights near freezing, while the Sea of Japan coast and Hokkaido see heavy snow and the south stays milder. Expect closures around January 1 to 3, then low tourist crowds. It is a good month for skiing, hot springs, winter food and shrine visits.

Two Januarys: the Pacific side and the snow coast

Japan's winter weather splits along the mountain spine of the main island. On the Pacific side, which includes Tokyo, Nagoya, Osaka and Kyoto's wider region, January is cold, dry and often sunny. Daytime temperatures in Tokyo commonly reach about 10 degrees Celsius, and nights can fall close to freezing. Skies are often clear, and the air is crisp. On the Sea of Japan side, the picture is very different.

Cold air from the continent picks up moisture over the sea and drops it as heavy snow across Niigata, Toyama, Ishikawa, Akita and the mountain areas of Tohoku. Hokkaido is colder still, with powder snow for much of the month. When you plan a trip, decide which side of the country you will visit, because the clothing and gear are completely different.

What to pack for January

Layers are the key. A warm coat, scarf, gloves and a hat are essential, and thermal underwear makes a noticeable difference, particularly if you spend long periods outdoors. Indoors, trains, shops and hotels are well heated, sometimes very warm, so you will want layers that you can take off easily.

For snowy regions, add waterproof boots with good grip, since sidewalks can be icy. A light umbrella is handy, but snow is often drier in Hokkaido and Tohoku and can be brushed off. Lip balm and moisturizer help with the dry air. Many convenience stores sell disposable heat packs, called kairo, which can be tucked into pockets or gloves for extra warmth.

The New Year holiday period

The first days of January are the most important holiday of the year in Japan. Many businesses close from about December 29 or 30 until January 3 or so. Restaurants, shops and some attractions may be shut, and transport can be crowded around the beginning and end of the break as people travel to their hometowns. In exchange, you can see traditional New Year customs.

Families visit shrines and temples for hatsumode, the first prayer of the year, and food stalls line the approaches. Special New Year dishes called osechi are eaten at home, and sweet rice cakes and sake are common. If you travel during these days, plan meals ahead, keep a stock of snacks and check the opening dates of places you want to see.

Events and sights in January

Coming of Age Day, held on the second Monday of January, is a national holiday, and young people who are turning twenty that year often dress in formal kimono and suits for ceremonies. The sight of colorful kimono around city halls and shrines is a pleasant surprise. Tokyo hosts a major sumo tournament in mid-January at the Ryogoku Kokugikan, and tickets can be booked in advance through official channels.

Winter illuminations continue in many cities into January. In mountain towns and on the coast, local festivals with bonfires and traditional performances take place, so look at regional tourism pages for dates. Okinawa has early cherry blossoms in January and February, a rare floral sight in the cold season.

Skiing, snow and hot springs

January is prime ski and snowboard season. Hokkaido resorts such as Niseko are famed for light powder snow, and Nagano and Niigata have many resorts accessible from Tokyo by Shinkansen. Equipment and clothing rental are widely available, so you can ski without bringing your own gear. Check resort websites for current conditions. Hot springs feel especially good in the cold.

Soaking outdoors with snow falling around you is a classic winter experience. Remember to wash first, keep your towel out of the water and drink water afterward. Towns like Nozawa Onsen, Kusatsu and Ginzan Onsen are well known, though winter access can be affected by snow, so check transport updates before you travel.

Eating well in winter

Winter is a season of hot pots and warming dishes. Nabe, a communal pot of simmered vegetables, tofu and meat or fish, is served in homes and restaurants. Oden, with simmered fishcake, daikon and egg, fills convenience store counters. Ramen shops have long lines on cold evenings, and a bowl of steaming noodles is a simple pleasure.

Seafood is at its best in cold waters. Crab, yellowtail and oysters are among the winter highlights, particularly along the Sea of Japan coast. Citrus fruits such as mikan are sweet and abundant. Warm drinks from vending machines, including canned coffee and corn soup, are a quirky delight. Sweet shops sell seasonal treats, and hot sake is a fine accompaniment to dinner.

Crowds, booking and travel tips

Outside the New Year holiday and the weekends at ski resorts, January is generally quiet for tourism. Popular sights in Kyoto and Tokyo are less crowded than in spring and autumn, and hotel prices in cities can be lower. This makes January a good choice for visitors who prefer a calmer pace. Ski resorts in Nagano, Niigata and Hokkaido can be busy at weekends and during school holidays, so book accommodation early. Early January sees higher domestic travel, while later in the month is calmer. Check holiday closure dates for museums and restaurants.

Also remember that some attractions in the countryside close for winter, so confirm before you go. Snow can slow trains and flights on the Sea of Japan side and in Hokkaido, so leave a time buffer and check operator websites. Shinkansen services are generally reliable, but extreme snow can cause delays. In Tokyo, snow is rare but can happen once or twice a year and can disrupt local transport. A common mistake is underestimating how cold unheated places can be, such as old temples and outdoor markets. Bring extra layers and warm socks.

Another is skipping hydration: the air is dry, and heated rooms can be parched. Finally, do not assume everything is open on January 1 to 3. Planning ahead brings a smoother experience. Transport planning deserves a little extra thought in January. Return trips from the countryside to big cities can be busy right after the New Year holiday, with reserved seats on the Shinkansen selling out. Reserve early if you can, and consider traveling at midday rather than at peak hours. Keep warm clothing in your carry-on bag, because stations and platforms are not always heated.

Frequently Asked Questions

Is January a good time to visit Japan?

Yes, especially for skiing, hot springs and winter food, and for visitors who prefer fewer crowds. Expect cold weather, plan around the New Year closures in the first days of the month and pack warm layers. It is also a good month for hot springs, since cold air makes a soak more appealing.

Does it snow in Tokyo in January?

Snow is uncommon in Tokyo, which is generally dry and sunny in January. A few light snowfalls can occur in some winters. Heavy snow is far more typical on the Sea of Japan coast, in the mountains and in Hokkaido. If snow is forecast in Tokyo, allow extra time for trains and wear shoes with good grip.

What should you wear in Japan in January?

Wear layers, including a warm coat, scarf, gloves and a hat. Bring thermal underwear and waterproof boots if you plan to visit snowy regions. Indoor spaces are heated, so layers you can remove are practical. Disposable heat packs from convenience stores are a cheap extra on cold days.

Further Reading

To explore further, see the Wikipedia articles on Climate of Japan, Hatsumode and Coming of Age Day.

Keep Exploring

More guides from Tokyo Paul: Japan in December: Illuminations and Year-End Closures, Japan in February: Snow, Plum Blossoms and Winter Travel and Snow Activities in Japan Beyond Skiing.