Normal weather for South Korea in January
It's cold in January in South Korea with an average temperature of 6°C. Temperatures this month range from a low of 4°C to a high of 7°C. At night, you can expect temperatures between -6°C and -3°C.
In January, there is an average of 31 mm of precipitation, spread over 6 days. Of the total precipitation, about 4,9 cm falls as snow in January. The wind speed is around 3 Bft, mostly coming from the West.
South Korea in January |
UK | ||
|---|---|---|---|
 Average Temperature |
6°C | 8°C | |
 High Temp |
7°C | 9°C | |
| Low Temp |
4°C | 6°C | |
 Total Precipitation |
31 mm | 58 mm | |
| Rainy Days |
6 days | 9 days | |
 Total Snowfall |
4,9 cm | 0,8 cm | |
| Snowy Days |
2 days | 1 day | |
Start of January
The month of January starts in South Korea with cold temperatures, averaging around 6°C during the day and nights close to -4°C. There’s little chance of precipitation. The weather is mostly sunny and dry.
Since temperatures can differ between day and night, it’s a good idea to dress in layers. During the day, wear a thick coat, jumper, and long trousers. For the evening and morning, we recommend a thick winter coat, jumper, long trousers, hat, and gloves.
Mid-January
By mid-January, the average daytime temperature stays the same at 6°C, with nights close to -5°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
Temperatures vary between day and night, so it’s smart to wear layers. During the day, wear a thick coat, jumper, and long trousers. For the evening and morning, we recommend a thick winter coat, jumper, long trousers, hat, and gloves.
End of January
By the end of January, the average daytime temperature in South Korea will be around 6°C, with nights close to -4°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
As it gets cooler in the evening, it’s best to wear layers. During the day, wear a thick coat, jumper, and long trousers. For the evening and morning, we recommend a thick winter coat, jumper, long trousers, hat, and gloves.
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UV index
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Temperature records for South Korea in January
With 16°C, South Korea hit the highest temperature in the last 10 years in January 2020. The lowest daytime temperature in this month was -12°C in 2021. The extreme night temperatures ranged from a low of -18°C to a high of 7°C.
Check out the climate of South Korea for all months and discover the best travel time
The climate of South Korea is based on weather data from Seoul. Other spots, like Busan, might have different weather. You can check out all destinations in South Korea for a full picture of the climate.
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Daily Temperature in January in South Korea
This chart shows the average daily temperatures, both day and night, for each day in January in South Korea, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Weather experiences in January in South Korea
Excellent
5 days Seoul unforgettable, only very cold . It is definite... more
Daily Precipitation in January in South Korea
The chart below shows the average daily precipitation in January for South Korea, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for January, you can expect around 6 days of rain in South Korea.
Daily Snowfall in January in South Korea
This chart shows the average daily snowfall in January in South Korea, measured in centimetres. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in January.
Daily UV Index in January in South Korea
This chart shows the average daily UV index in January in South Korea, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in January in South Korea Over the Years
This chart shows the average temperature in January in South Korea, measured in degrees Celsius, over the past years.
Total Precipitation in January in South Korea Over the Years
This chart shows the average precipitation in January in South Korea, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Snowfall in January in South Korea per year
This chart shows the average snowfall in January in South Korea, measured in centimetres, over the past years.
Daily climate in January for South Korea
Click on a specific day in January for detailed info on the typical weather on that day in South Korea. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in January in South Korea
The weather in January in South Korea is rated 5 out of 5 stars by 1 visitor. Have you been to South Korea? Share your weather experience to help other visitors.
Write your own review
5 days Seoul unforgettable, only very cold . It is definitely a beautiful country definitely recommended friendly people, and food good real Korean. You should take excursions. Good luck with the trip to South Korea— This text is automatically translated to English
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Average Weather in South Korea by Month
Click on a month below to see detailed weather info for South Korea. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of South Korea for all months at once
