Temperature in Jeju Island in January

Daytime highs, nighttime lows and the warmest cities in Jeju Island, South Korea this January.

Jeju Island, South Korea, a region in South Korea, typically experiences cold weather in January, with maximum daytime temperatures around 9°C (48°F) and nighttime temperatures around 5°C (41°F) in Jeju. 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 Jeju Island, South Korea in January?

Find the average daytime temperatures in January for the most popular destinations in Jeju Island on the map below. Click on a destination dot for more detailed information.

Select a Month

Check the conditions for any month of the year.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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

See also: Jeju Island weather by month.

Best Places to Visit in Jeju Island in January

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

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 Jeju Island

Jeju Island temperatures in January: frequently asked questions

How hot does it get in Jeju Island, South Korea in January?

Daytime temperatures in Jeju typically peak at 9°C (48°F) in January, putting it in the low range.

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

Average overnight lows in Jeju Island, South Korea during January sit near 5°C (41°F) in Jeju.

How much sun does Jeju Island, South Korea get in January?

Across Jeju Island, South Korea, sunshine in January ranges from overcast in Jeju (69 hours) to moderately sunny in Seogwipo (152 hours).

Interested in more climate information?

We have much more information about the climate in Jeju Island.

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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