Seoul weather in December (South Korea)

How is the weather in Seoul in December? Wondering if it's a favorable time for a visit? This page provides detailed information on the weather conditions for that month.

In December, the weather in Seoul generally has low temperatures and low snow/rainfall. December is a winter month. Daytime temperatures hover around 42°F (show in °C), while nights can cool down to about 23°F.

Seoul in December usually receives low snow/rainfall, averaging around 1 inches (show in mm) for the month. When we look at the climate data from the last 30 years, we can expect around 7 days of snow/rain.

The area experiences a moderate amount of sunshine, with approximately 163 hours of sunlight expected. This makes it neither too gloomy nor overly bright.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Seoul. May and October typically offer the most agreeable weather. On the other hand, January, July, August and December tend to be characterized by conditions that may not be as favorable.

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


Seoul, monthly averages in December

Show in Celsius
Min Temperature 23.4°F  
Max Temperature 41.5°F  
Chance of Rain 24%  
Precipitation 1 inches  
Rainy days 7 days  
Humidity 58%  
Windspeed 4 mph  
Sunshine 163 hours  
Percentage Sunshine 49%  

Where to go in South Korea in December

Find out more about the weather in South Korea in December 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 December?

​ 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 December.

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.