Seoul December weather
Seoul, South Korea · December
Daytime can feel manageable; nights feel winter-clear
December brings full winter air: dry days, sharper wind chill, and fast after-sunset cooling. Even with sun, evenings often feel distinctly winter-like.
With frequent indoor/outdoor transitions, layering helps you avoid overheating indoors and feeling chilled outside.
December averages at a glance
Average low
around -3 to 0°C
Average high
around 4–8°C
Average rainfall
around 15–35 mm
Wet days
about 3–6 days
What to wear in December in Seoul
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Puffer/coat with warm inner layers is common.
- • Wind protection (scarf/gloves) improves comfort stability.
- • Lip balm/hand cream can help in dry air.
Travel tips for visiting Seoul in December
- • If you’ll be outdoors at night, dress for wind and after-sunset chill.
- • Dry heated interiors can feel even drier—small comfort items can help.
December weather in Seoul — FAQ
Q. Does it snow often in December?
A. It varies by year. If it snows, next-day ice can be the bigger walking variable.
Q. What’s the key for winter comfort?
A. Wind + time of day. Layers and wind protection often make the biggest difference.
Explore Seoul
These pages are connected so you can compare conditions and decide for yourself.