Temperature in South Korea in January

Daytime highs, nighttime lows and the warmest cities across South Korea this January.

South Korea, experiences maximum daytime temperatures in January ranging from 1°C (34°F) in Pyeongchang to 9°C (48°F) in Seogwipo. Nighttime temperatures generally drop to 4°C (39°F) in Seogwipo and -10°C (14°F) in Pyeongchang . The month of January is in the winter season. On average, it is one of the coldest months of the year.

What is the temperature of the different cities in South Korea in January?

Discover the typical January temperatures for the most popular locations of South Korea on the map below. Detailed insights are just a click away.

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For a detailed overview over the year and the best time to visit South Korea, check out our South Korea's climate page.

See also: the South Korea weather by month.

Best Places to Visit in South Korea in January

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across South Korea.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in January: blue is cold, red is hot.

See all January weather averages, cities and regions in South Korea

South Korea temperatures in January: frequently asked questions

How hot does it get in South Korea in January?

Average daytime highs in South Korea during January reach about 3°C (37°F) in Seoul.

How cold does it get at night in South Korea in January?

Nighttime temperatures in Seoul typically drop to around -7°C (19°F) in January.

What is the warmest city in January in South Korea?

From a thorough analysis of our records, Seogwipo clearly dominates in terms of high temperatures. The city witnesses daytime temperatures hovering around 9°C (48°F), and evenings that remain near 4°C (39°F).

What is the coldest city in January in South Korea?

In our database, Pyeongchang is the chilliest city in January in South Korea. Daytime temperatures typically peak at 1°C (34°F), while the nighttime lows hover around -10°C (14°F).

How much sun does South Korea get in January?

Across South Korea, sunshine in January ranges from overcast in Jeju (69 hours) to sunny in Ulchin (205 hours).

What is the water temperature in January?

The water temperature averages approximately 9°C (48°F) in Ulchin this month, generally too cold for comfortable swimming.

Interested in more climate information?

We have much more information about the climate in South Korea.

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 travel conditions. Find out where to go with our weather planner.

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