Mid-winter · Weather & things to do
Seoul in January
This is the coldest month in Seoul: highs average 33°F (1°C) and lows 20°F (-7°C), with about 0.8 in (20 mm) of rain or snow.
With a comfort score of 51/100 (10th of 12), it's one of the toughest months, held back mainly by cool days.
- Avg high
- 33°F (1°C)
- Avg low
- 20°F (-7°C)
- Rain or snow
- 0.8 in (20 mm)
- Humidity
- 77%
- Cloud cover
- 56%
- Daylight
- ~9 h 41 min
- Comfort score
- 51/100 · Fair
What January feels like
Real cold sets in, with afternoon highs around 33°F (1°C).
Average lows of 20°F (-7°C) mean frosty nights and icy mornings.
Precipitation is light, about 0.8 in (20 mm) of rain or snow, and since the average temperature is below freezing, what does fall may well be snow.
Plan around January
January is one of the lower-scoring months here; the best are May and October.
- Comfort holds steady from December (52 → 51/100).
- Our Seoul, Gyeongju & Busan route recommends Apr – Jun, Sep – Nov, so January falls outside its suggested window.
What to pack for January
- Hat, gloves and thermal base layerslows around 20°F
- Insulated, waterproof bootssnow is likely on some days
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Seoul in January
With highs near 33°F, these picks lean toward food, drink and places with a roof, with outdoor options when the weather breaks.
Myeongdong Kyoja
Long-running spot for kalguksu knife-cut noodles and dumplings since 1966.
Why now A warm sit-down stop when highs sit around 33°F.
Gwangjang Market
Century-old market with stalls frying mung bean pancakes and serving yukhoe and mayak gimbap.
Why now Somewhere to warm up between colder walks.
National Museum of Korea
Free national collection spanning gold Silla crowns to Joseon ceramics.
Why now An indoor-leaning stop when highs sit around 33°F.
N Seoul Tower
Tower atop Namsan with a cable car and city views stretching to the mountains.
Euljiro Nogari Alley
Plastic tables, cheap beer and dried pollack snacks spill into the street each evening.
Nearby in January
- Gyeongju in January~172 mi · highs 41°F, 1.4 in rain · 4°C (7°F) warmer by day, wetter
- Busan in January~202 mi · highs 47°F, 1.5 in rain · 8°C (14°F) warmer by day, wetter
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Seoul in January: quick answers
Is January a good time to visit Seoul?
It's one of the tougher months here, scoring 51/100, held back mainly by cool days. The best months are May and October. Expect highs of 33°F (1°C) and 0.8 in (20 mm) of rain or snow. Our Seoul, Gyeongju & Busan route recommends Apr – Jun, Sep – Nov, so January is outside its suggested window.
How cold is Seoul in January?
Average highs are 33°F (1°C) and average lows 20°F (-7°C), making it the coldest month by daytime highs, with nights below freezing on average.
Does it snow a lot in Seoul in January?
Not much: about 0.8 in (20 mm) of rain or snow falls across January on average, the driest month of the year. With temperatures this low, much of it may fall as snow. The annual total is about 48.9 in (1241 mm).
What should I pack for Seoul in January?
Bring hat, gloves and thermal base layers (lows around 20°F), insulated, waterproof boots (snow is likely on some days) and comfortable walking shoes (most places below are best reached on foot or with short walks).
Planning Seoul in January?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.