Seoul weather in January (South Korea)

How is the weather in Seoul in January? Here's what the weather might have in store during this month.

In January, Seoul generally has low temperatures and low snow/rainfall. January falls within the winter season. Daytime temperatures hover around 3°C (show in °F), while nights can cool down to about -7°C. It's often the coldest month of the year, a perfect time to cozy up indoors. Make sure to bring along suitable winter clothing.

Seoul in January usually receives low snow/rainfall, averaging around 21 mm (show in inches) for the month. It's the month receiving the least amount of rain. As the days go by, you can expect fewer clouds and less precipitation. This makes it an ideal time for outdoor activities and events that might be disrupted by wetter conditions in other months. Typically around 7 days of snow/rainfall is expected.

The city usually sees around 171 hours of sunlight, indicating a moderately sunny period.

If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Seoul. May and October generally stand out with best weather. While January, July, August and December tend to showcase less optimal conditions.

For an in-depth look at the yearly weather and climate conditions, visit our specialized Seoul climate page with graphs.


Seoul, monthly averages in January

Show in Fahrenheit
Min Temperature -7°C  
Max Temperature 3.3°C  
Chance of Rain 23%  
Precipitation 21 mm  
Rainy days 7 days  
Humidity 57%  
Windspeed 7 km/h  
Sunshine 171 hours  
Percentage Sunshine 53%  

Where to go in South Korea in January

Find out more about the weather in South Korea in January and which places have the best weather conditions in this month.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inches a month).

So, what should you wear in Seoul in January?

​ Wear a base layer in cold weather; this is the #1 thing you can do to increase your overall body temperature. Also, consider bringing a rain jacket as there might be some rain. ​ ​

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in January.

Outdoor sports

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Seoul.

Our site offers climate and forecast data for every country in the world. Are you going to South Korea? On this website you can find historical weather averages for many cities in South Korea. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.