Average Weather during January in Seoul, South Korea
The average minimum temperature (usually the minimum temperature is noted during the night) in Seoul in January is -6.0°C (21.2°F).
January is a dry month with an average of 23mm (0.9in) rain.
Most people don't tend to visit Seoul during this period since it is known as a chilly month.
The average maximum daytime temperature lies around 1.6°C (34.88°F).
This makes January the coldest month of the year.
The sun will occasionally show itself with 163 hours of sunshine during the whole month.
So what to wear in January? Wear a base layer in cold weather, this is the #1 thing you can do to increase your overall body temperature. Visitors traveling to Seoul should definitely plan on bringing a warm sweater and winter jacket since there will be periods of snow.
No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.
For other monthly average weather and what to do in January look at the numbers below.
Show in Fahrenheit
Where to stay in Seoul
What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do in .
More Climate Information For Seoul
Weather and Climate offers all the information you need to know about the climate in Seoul.
We collected past weather data from many thousand weather stations around the world. So find on this website the historical weather averages in other cities in South Korea and climate and forecast data for all other countries in the world.