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When to go · Muan

Muan in January

Good month. Outside the best window (Apr–Jun, Sep–Oct). Across South Korea: Cold and dry, low prices; ski in Gangwon; Seollal can fall late in the month — check.

Key facts

Verdict
Good
Temperature
5°C (41°F) / −3°C (26°F)
average high / low
Rain days
8
Crowds
Low
South Korea overall
Prices
Low
South Korea overall

Verdict

GoodSouth Korea month rating

Outside the best window (Apr–Jun, Sep–Oct). Across South Korea: Cold and dry, low prices; ski in Gangwon; Seollal can fall late in the month — check.

Is another month better than January?

January is rated good. These months rate higher:

Weather in January

Long-term averages
  • MuanHighs around 5 °C (41 °F), lows around -3.1 °C (26 °F), rain on about 8 days

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) big impact

    About 5–8 Feb 2027 (lunar; incl. substitute day — check) · South Korea

    Three-plus days off: many restaurants and shops close, trains and buses sold out, palaces open (often free), Seoul quiet.

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 Muan, side by side.

  • Verdict

    Jan: Good

    Apr: Great (better)

  • Daytime high

    Jan: 5 °C (41 °F)

    Apr: 17.7 °C (64 °F)

  • Night low

    Jan: -3.1 °C (26 °F)

    Apr: 6.2 °C (43 °F)

  • Rain days

    Jan: 8

    Apr: 8

  • Crowds

    Jan: Low

    Apr: High

  • Prices

    Jan: Low

    Apr: High

  • Festivals listed

    Jan: 1

    Apr: 0

January: Outside the best window (Apr–Jun, Sep–Oct). Across South Korea: Cold and dry, low prices; ski in Gangwon; Seollal can fall late in the month — check.

April: Inside Muan's best window: Apr–Jun, Sep–Oct.

Muan: figures are long-term averages from this guide, not a forecast.

What to pack

  • A warm coat, hat and gloves for mornings and evenings

Build the full packing list for your trip →

Across South Korea in January →