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Jeju weather in January (Jeju Island, South Korea)

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

Temperatures

In January, Jeju usually has 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. The city often sees its mildest temperatures during January.

Precipitation

Jeju in January usually receives moderate rainfall, averaging around 81 mm for the month. The climate data from previous years indicates that there are typically about 13 days of 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.

January in Jeju has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.

Select a Month of Interest

Check the conditions for any month of the year.

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

Jeju, monthly averages in January

Min TemperatureMin Temperature 5°C  
Max TemperatureMax Temperature 9°C  
Chance of RainChance of Rain 42%  
PrecipitationPrecipitation 81 mm  
Rainy daysRainy days 13 days  
HumidityHumidity 65%  
SunshineSunshine 69 hours  
Percentage SunshinePercentage 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.

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In January generally
poor weather
with low temperatures
and moderate monthly rainfall

More information

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).

Select a Month of Interest

Check the conditions for any month of the year.

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

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.