When to go · Seoul
Seoul in January
Mixed month. Very cold and dry; check Seollal dates.
Key facts
- Verdict
- Mixed
- Temperature
- 2°C (36°F)36°F (2°C) / −6°C (21°F)21°F (−6°C)
- average high / low
- Rain days
- 8
- Crowds
- Low
- South Korea overall
- Prices
- Low
- South Korea overall
Verdict
Very cold and dry; check Seollal dates.
All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.
Is another month better than January?
January is rated mixed. These months rate higher:
Weather in January
- SeoulHighs around 2 °C (36 °F), lows around -6 °C (21 °F), rain on about 8 daysHighs around 36 °F (2 °C), lows around 21 °F (-6 °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.
Seollal (Lunar New Year) check
Seollal 2027 falls around 6–8 February · Whole city
Three-day holiday: small restaurants and markets close, palaces often open free, trains and buses out of Seoul sell out.
Crowds and prices
- Crowds · South Korea overall
- Low
- Prices · South Korea overall
- Low
South Korea overall: Cold and dry, low prices; ski in Gangwon; Seollal can fall late in the month — check.
Compare two months
Weather, crowds and prices for any two months in Seoul, side by side.
Verdict
Jan: Mixed
Apr: Great (better)
Daytime high
Jan: 2 °C (36 °F)36 °F (2 °C)
Apr: 18 °C (64 °F)64 °F (18 °C)
Night low
Jan: -6 °C (21 °F)21 °F (-6 °C)
Apr: 7 °C (45 °F)45 °F (7 °C)
Rain days
Jan: 8 (better)
Apr: 9
Crowds
Jan: Low
Apr: High
Prices
Jan: Low
Apr: High
Festivals listed
Jan: 1
Apr: 4
January: Very cold and dry; check Seollal dates.
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