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Voykit

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) / −6°C (21°F)
average high / low
Rain days
8
Crowds
Low
South Korea overall
Prices
Low
South Korea overall

Verdict

MixedVoykit month rating for Seoul

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

Long-term averages
  • SeoulHighs around 2 °C (36 °F), lows around -6 °C (21 °F), 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.

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)

    Apr: 18 °C (64 °F)

  • Night low

    Jan: -6 °C (21 °F)

    Apr: 7 °C (45 °F)

  • 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

Build the full packing list for your trip →

Across South Korea in January →