South Korea weather in January
What is the weather like in South Korea in January?
The weather conditions in South Korea in January are generally poor. It is a winter month.
During January in South Korea, the average maximum temperature varies from very low in Gapyeong with -1°C (31°F) to low in Yeosu with 8°C (46°F). Minimum nighttime temperatures generally drop to -1°C (30°F) in Yeosu and -12°C (10°F) in Gapyeong. On average, it is the coldest month of the year in South Korea. So be prepared and make sure to pack winter cloths.
Precipitation in January varies from low in Paju with an average of 15mm (0.6 inches) of snow/rainfall to moderate in Chungmu with 61mm (2.4 inches).
It is the driest month of the year in Seoul.
It is also generally a
moderately sunny
time of year with an average of 171 hours of sunshine in Seoul during the entire month.
To learn more about the weather conditions in specific areas of South Korea, check out the map below.
Where to go in South Korea in January





Popular destinations in South Korea
What is the weather like in January for the 5 most popular destinations in South Korea?
Average weather in Seoul
In January Seoul generally has very low temperatures with maximum daytime temperatures around 1°C (33°F), minimum nighttime temperatures around -11°C (12°F) and low monthly snow/rainfall. So on average the conditions are poor that month.
Average weather in Busan
In January Busan generally has low temperatures with maximum daytime temperatures around 6°C (42°F), minimum nighttime temperatures around -1°C (31°F) and moderate monthly snow/rainfall. So on average the conditions are poor that month.
Average weather in Jeju
In January Jeju generally has low temperatures with maximum daytime temperatures around 5°C (40°F), minimum nighttime temperatures around 0°C (32°F) and moderate monthly rainfall. So on average the conditions are poor that month.
Average weather in Seogwipo
In January Seogwipo generally has low temperatures with maximum daytime temperatures around 7°C (44°F), minimum nighttime temperatures around 0°C (33°F) and moderate monthly rainfall. So on average the conditions are poor that month.
Average weather in Incheon
In January Incheon generally has very low temperatures with maximum daytime temperatures around 1°C (34°F), minimum nighttime temperatures around -10°C (14°F) and low monthly snow/rainfall. So on average the conditions are poor that month.
Is your destination not in the list? Have a look at other destinations in South Korea.
Is January the best time to go to South Korea?
In our opinion January is not the best time to visit South Korea with commonly poor weather in Seoul.
On average the best time to visit South Korea is in April, May, June, September and October with generally pleasant weather in Seoul.
The worst months are January, February, July, August and December that can have poor weather conditions.
Interested in more climate information?
We have much more information about the climate in South Korea.
Interested in the weather conditions in a specific month? Select the month below.
Weather and climate has detailed information for every country in the world. Are you going to South Korea? Get detailed 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.