What do people get wrong about packing for a Japanese winter?
This answer is a draft. It stays unpublished until legal review and source verification are complete.
Japan's winter confuses packers because it is several climates at once: Hokkaido at −10°C, Tokyo dry and sunny at 5–10°C, Okinawa at 18°C — and indoors, trains heated to 25°C while old houses sit at 12°C.
The climates (January averages)
| City | Daily high / low | Precipitation | Note |
|---|---|---|---|
| Sapporo | −1°C / −7°C | Snow, typically 50–100 cm on the ground (deepest in February) | Ice on pavements; spiked boots or grip attachments |
| Tokyo | 10°C / 1°C | Very dry, 5–8 sunny days out of 10 | Humidity often 30–40% in the afternoon (monthly average about 50%); static, chapped lips |
| Kyoto | 9°C / 1°C | Occasional snow | Colder than Tokyo indoors; temples are unheated |
| Kanazawa / Niigata | 6°C / 1°C | Heavy snow or rain most days | Waterproof shoes essential |
| Fukuoka | 10°C / 4°C | Cloudy, some snow | — |
| Naha (Okinawa) | 19°C / 15°C | — | Light jacket only |
- Indoors: trains and shops 22–26°C, traditional inns and old homes 10–15°C (see the kotatsu article). The coat goes on and off ten times a day.
- Tokyo's January relative humidity averages about 50% outdoors and 20–30% indoors with heating — bring lip balm and moisturiser, or buy them at any drugstore.
- Snow-country footwear: locals use winter-soled shoes or clip-on spikes, sold at convenience stores in Hokkaido for ¥1,000–2,000.
[Verify] Temperatures with JMA climatological normals (1991–2020); indoor figures are typical ranges.
Misunderstanding 1｜Pack for one cold country
Check your route: Tokyo–Kyoto–Osaka in January is dry, bright and cold at night — a good coat and layers suffice. Add Hokkaido or the Alps and you need snow-rated footwear and gloves.
Misunderstanding 2｜Bring a heavy parka and thick sweaters
You will be hot on every train and in every shop. Locals wear a thin heat-retaining base layer, a light mid layer and a coat that they carry indoors (see the layering article). Two thin layers beat one thick one.
Misunderstanding 3｜Snow means slush; trainers will do
Hokkaido pavements are polished ice; visitors fall in numbers each winter (Sapporo's fire department takes well over 1,000 people a season to hospital after falls on snowy roads — a record 1,795 in FY2023). Non-slip soles or clip-on spikes, and walk with short steps.
Misunderstanding 4｜It rains, bring a big umbrella
On the Pacific side, December and January are the driest months; an umbrella is rarely needed. On the Sea of Japan side, snow and wind make umbrellas useless — a waterproof hooded coat works better.
Misunderstanding 5｜You can buy warm clothes cheaply anyway
You can — Japanese fast-fashion chains sell excellent heat-retaining underwear for ¥1,000–2,000 — but sizes run small (see the sizing article). Buy base layers here; bring your coat and shoes.
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Sources
- Japan Meteorological Agency — Climatological normals by city (1991–2020)
https://www.data.jma.go.jp/stats/etrn/
- Sapporo City — Winter walking safety (冬の歩行安全) and slip-prevention guidance
https://www.city.sapporo.jp/
- Japan National Tourism Organization — Winter travel and clothing
https://www.japan.travel/en/plan/
⚠️ Editorial note: the source URLs above were identified by search. Our working environment cannot reach go.jp domains, so the contents have not been checked against the text. Verify every source before publication and record who checked it and when.
About this article
What we share here are ideas and everyday practices passed down among people living in Japan, together with general information drawn from public sources. They are not official recommendations, and they are not professional instruction. Practices vary between households and regions.
This is general information. Results vary from person to person and depend on your own conditions and surroundings.
Please decide for yourself, using your own judgement, whether any of this suits your situation. We cannot accept responsibility for any damage, loss or injury arising from following this article.
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