Seoul weather in December
Seoul in December averages 0°C (32°F), 20 mm of rain and 5.2 hours of sun a day. It is one of the driest months of the year here.
Of the twelve months in Seoul, December is the second coldest, the second driest and the third dullest.
- Average temp
- 0°C (32°F)
-3–4°C · 26–39°F
- Rainfall
- 20 mm
Not much rain
- Sunshine
- 5.2 h
hours per day
What is Seoul 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 Seoul in December?
A warm mid-layer
Nights drop to around -3°C (26°F).
December compared with November and January
December in Seoul is 7.6°C cooler than November and 30 mm drier than it, which averages 8°C (46°F).
December in Seoul is 2°C warmer than January and about as wet as it, which averages -2°C (29°F).
Daylight in Seoul in December
On 15 December the sun is up for 9 hours 35 minutes in Seoul, rising about 07:39 and setting about 17:14 local time.
No month in Seoul has less daylight than December.
Where to stay in Seoul
Dates are a starting point for December.
Travel guides for Seoul
What to read before you book.
Seoul 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 | -2°C / 29°F | 18 mm |
| February | 1°C / 34°F | 28 mm |
| March | 6°C / 44°F | 38 mm |
| April | 13°C / 55°F | 70 mm |
| May | 19°C / 65°F | 104 mm |
| June | 23°C / 74°F | 138 mm |
| July | 25°C / 78°F | 422 mm |
| August | 27°C / 80°F | 390 mm |
| September | 22°C / 72°F | 156 mm |
| October | 15°C / 60°F | 49 mm |
| November | 8°C / 46°F | 50 mm |
| December | 0°C / 32°F | 20 mm |
Similar weather in December
Other destinations whose December averages sit close to this one.
Check another month
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FAQs about Seoul in December
December climate averages for Seoul, 1991–2020.
Seoul averages 0°C (32°F) in December, ranging from about -3°C (26°F) at night to 4°C (39°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 20 mm, so rain is unlikely to affect your plans.
Yes. December averages 0°C (32°F) against -2°C (29°F) in January — 2°C warmer.
December is 7.6°C cooler than November, and 30 mm drier.
It is outside the easiest window. The most comfortable stretch here is April to June; 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 35 minutes of daylight in mid-December, the least of any month in Seoul.
On 15 December, sunrise is about 07:39 and sunset about 17:14 local time. Both shift across the month.
