When to go · Seoul
Seoul in December
Mixed month. Cold; short days.
Key facts
- Verdict
- Mixed
- Temperature
- 4°C (39°F)39°F (4°C) / −3°C (27°F)27°F (−3°C)
- average high / low
- Rain days
- 8
- Crowds
- Medium
- South Korea overall
- Prices
- Medium
- South Korea overall
Verdict
Cold; short days.
All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.
Is another month better than December?
December is rated mixed. These months rate higher:
Weather in December
- SeoulHighs around 4 °C (39 °F), lows around -3 °C (27 °F), rain on about 8 daysHighs around 39 °F (4 °C), lows around 27 °F (-3 °C), rain on about 8 days
- Seoul and north-west, South Korea · Seoul, Incheon, Suwon, the DMZcool
Continental: dry winters down to −15 °C (5 °F) on cold snaps, hot humid summers. Fine dust (yellow dust and pollution) peaks Mar–Apr; the monsoon runs late Jun – Jul.Continental: dry winters down to 5 °F (−15 °C) on cold snaps, hot humid summers. Fine dust (yellow dust and pollution) peaks Mar–Apr; the monsoon runs late Jun – Jul.
Winter season
Crisp blue days, hot street snacks, Christmas lights and ice rinks.
Watch: −10 °C mornings and wind; Seollal closures.
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Christmas and year-end lights
December · Myeongdong (department-store façades), Cheonggyecheon, Gwanghwamun market
Evening crowds on the shopping streets.
New Year bell ringing
31 December, midnight · Bosingak pavilion, Jongno
Streets around Jongno close; the subway runs late that night (check).
Crowds and prices
- Crowds · South Korea overall
- Medium
- Prices · South Korea overall
- Medium
South Korea overall: Cold and dry; Christmas markets and lights in Seoul; ski season opens.
Compare two months
Weather, crowds and prices for any two months in Seoul, side by side.
Verdict
Dec: Mixed
Apr: Great (better)
Daytime high
Dec: 4 °C (39 °F)39 °F (4 °C)
Apr: 18 °C (64 °F)64 °F (18 °C)
Night low
Dec: -3 °C (27 °F)27 °F (-3 °C)
Apr: 7 °C (45 °F)45 °F (7 °C)
Rain days
Dec: 8 (better)
Apr: 9
Crowds
Dec: Medium
Apr: High
Prices
Dec: Medium
Apr: High
Festivals listed
Dec: 2
Apr: 4
December: Cold; short days.
April: Blossoms and mild; palaces are busy.
Seoul: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm coat, hat and gloves for mornings and evenings
- Layers: a fleece or light jacket