Jeju weather in January (Jeju Island, South Korea)

Will it be warm or cold in Jeju this January? Wondering about the weather this month? Our guide has all the details you need.

Temperatures

January in Jeju generally includes low temperatures and moderate rainfall. During January, the winter season is in full swing. Throughout the day, temperatures can rise to about 9°C. At night, they generally drop to 5°C. This month often claims the chilliest averages of the year.

Precipitation

Jeju in January usually receives moderate rainfall, averaging around 81 mm for the month. Historically, approximately 13 days this month are expected to have rain.

Average sunshine

With limited sunshine this month, there are about 69 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.

If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Jeju. October generally stands out with the best circumstances. While January and February tend to showcase less optimal conditions.

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

 

Jeju, monthly averages in January

Min Temperature 5°C  

Max Temperature 9°C  

Chance of Rain 42%  

Precipitation 81 mm  

Rainy days 13 days  

Humidity 65%  

Sunshine 69 hours  

Percentage Sunshine  

Where to go in South Korea in January

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

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

Wear a base layer in cold weather; this is the #1 thing you can do to increase your overall body temperature.

What To Do

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

Swimming

4/10

Cycling

4/10

Walking

4/10

Camping

4/10

Outdoor sports

4/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Jeju.

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