The weather in December in South Korea
It's cold in December in South Korea with an average temperature of 6°C. Temperatures this month range from a low of 2°C to a high of 10°C. At night, you can expect temperatures between -7°C and 0°C.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for South Korea. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 17°C in 2016, South Korea reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was -10°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of -15°C to a highest value of 13°C.
Precipitation and snowfall
In December, there is an average of 30 mm of precipitation, spread over 6 days. Of the total precipitation, about 3,6 cm falls as snow in December. The wind speed is around 3 Bft, mostly coming from the West.
Daily weather in December for South Korea
Click on any day in December to get detailed info about the usual weather on that day in South Korea. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| South Korea | New York | |
|---|---|---|
| Average temperature | 6°C | 9°C |
| Max. temperature | 10°C | 12°C |
| Min. temperature | -7°C | -5°C |
| Total precipitation | 30 mm | 133 mm |
| Rainy days | 6 days | 17 days |
| Total snowfall | 3,6 cm | 9,7 cm |
| Snowy days | 2 days | 3 days |
Start of December
The month of December starts in South Korea with cold temps, averaging around 8°C during the day and nights around -2°C.
Mid December
By mid-December, daytime temps drop to around 5°C, with nights around -4°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of December
By the end of December, the average daytime temperature in South Korea is around 5°C, while nighttime temps are about -4°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
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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.
Check out the climate of South Korea for all months and discover the best travel time
The climate in South Korea is based on weather data from Seoul. Other places, like Busan, might have different weather. You can check out all destinations in South Korea to get the full picture of the climate.
Temperature charts
These charts show the average temperatures in December in South Korea. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in December in South Korea
Temperature in December in South Korea over the years
Precipitation charts
These charts show the average amount of precipitation in December in South Korea. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in December in South Korea
Total precipitation in December in South Korea over the years
Daily Snowfall in December in South Korea
Snowfall in December in South Korea per year
Daily UV index in December in South Korea
This chart shows the average daily UV index in December 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.
Weather experiences in December in South Korea
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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.