Asan in January

Listed as a month to avoid: Jul–Aug (monsoon rain and heat), Jan–Feb (cold).

January is rated avoid. These months rate higher:

• AprilGreatInside Asan's best window: Apr–May, Sep–Nov.
• MayGreatInside Asan's best window: Apr–May, Sep–Nov.
• SeptemberGreatInside Asan's best window: Apr–May, Sep–Nov.
• OctoberGreatInside Asan's best window: Apr–May, Sep–Nov.

• AsanHighs around 3 °C (37 °F), lows around -6 °C (21 °F), rain on about 7 daysHighs around 37 °F (3 °C), lows around 21 °F (-6 °C), rain on about 7 days
• Jeju, South Korea · Jeju City, Seogwipo, Hallasancool

  Windy and wet; the island takes the first hit of most typhoons. Hallasan summit gets snow in winter; flights stop in strong crosswinds.

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 · 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.

Weather, crowds and prices for any two months in Asan, side by side.

• A warm coat, hat and gloves for mornings and evenings
• Layers: a fleece or light jacket

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