Seoul January weather
Seoul, South Korea · January
Wind and outdoor time often matter more than the number
January in Seoul can feel sharply cold during cold snaps, and wind can make the same temperature feel much colder. The indoor/outdoor contrast (warm subway → cold street) can feel abrupt.
Even without heavy snow, early-morning ice can make sidewalks slippery, so footing can matter for walking plans.
January averages at a glance
Average low
around -7 to -4°C
Average high
around 2–5°C
Average rainfall
around 15–25 mm
Wet days
about 3–5 days
What to wear in January in Seoul
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Puffer/thick coat with warm inner layers is common.
- • Gloves/scarf/hat often make a big comfort difference.
- • Traction footwear helps if icy spots appear.
Travel tips for visiting Seoul in January
- • For long outdoor blocks (palace walks, Namsan), dress one step warmer than you’d expect.
- • Layering helps manage frequent indoor/outdoor transitions.
January weather in Seoul — FAQ
Q. How cold is Seoul in January?
A. Cold snaps can feel sharp, and wind increases chill. Comfort can change quickly by day.
Q. Does it snow a lot?
A. It varies by year. Even with limited snow, ice can still make streets slippery.
Explore Seoul
These pages are connected so you can compare conditions and decide for yourself.