Weather · Seoul, South Korea
Seoul Weather in January
January in Seoul averages 2°C by day and -8°C at night, with about 20mm of rain. That makes it a reasonable time to visit.
Avg high
2°C
36°F
Avg low
-8°C
18°F
Rainfall
20mm
#11 wettest of 12
What to pack
Warm layers and a proper coat. Rain is unlikely to interrupt your plans.
Timing a trip around the weather? A Local Friend in Seoul builds it around the season for you.