South Korea weather in December
South Korea in December averages 1°C (34°F), 28 mm of rain and 5.2 hours of sun a day.
Of the twelve months in South Korea, December is the second coldest, the second driest and the second dullest.
- Average temp
- 1°C (34°F)
-4–6°C · 25–43°F
- Rainfall
- 28 mm
Not much rain
- Sunshine
- 5.2 h
hours per day
What is South Korea like in December?
Daytime
Days are cool.
Rain
Rain is usually light.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for South Korea in December?
A warm mid-layer
Nights drop to around -4°C (25°F).
December compared with November and January
December in South Korea is 7°C cooler than November and 19 mm drier than it, which averages 8°C (47°F).
December in South Korea is 1.9°C warmer than January and about as wet as it, which averages -1°C (31°F).
Daylight in South Korea in December
On 15 December the sun is up for 9 hours 44 minutes in South Korea, rising about 07:31 and setting about 17:16 local time.
No month in South Korea has less daylight than December.
Travel guides for South Korea
What to read before you book.
South Korea weather by month
TemperatureRainfall
How December compares with the rest of the year
December is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | -1°C / 31°F | 27 mm |
| February | 2°C / 35°F | 37 mm |
| March | 7°C / 44°F | 52 mm |
| April | 13°C / 55°F | 76 mm |
| May | 19°C / 65°F | 97 mm |
| June | 23°C / 73°F | 180 mm |
| July | 26°C / 78°F | 309 mm |
| August | 27°C / 80°F | 315 mm |
| September | 22°C / 71°F | 158 mm |
| October | 15°C / 59°F | 54 mm |
| November | 8°C / 47°F | 47 mm |
| December | 1°C / 34°F | 28 mm |
Similar weather in December
Other destinations whose December averages sit close to this one.
Check another month
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FAQs about South Korea in December
December climate averages for South Korea, 1991–2020.
South Korea averages 1°C (34°F) in December, ranging from about -4°C (25°F) at night to 6°C (43°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Barely. December sees only about 28 mm, so rain is unlikely to affect your plans.
Yes. December averages 1°C (34°F) against -1°C (31°F) in January — 1.9°C warmer.
December is 7°C cooler than November, and 19 mm drier.
It is outside the easiest window. The most comfortable stretch here is May to October; December sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.
About 5.2 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what December is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 9 hours 44 minutes of daylight in mid-December, the least of any month in South Korea.
On 15 December, sunrise is about 07:31 and sunset about 17:16 local time. Both shift across the month.
