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Draft data. Times, fares and step counts are desk estimates awaiting field checks. Unknown times stay unknown. How we verify

When to go · Asan

Asan in December

Good month. Outside the best window (Apr–May, Sep–Nov). Across South Korea: Cold and dry; Christmas markets and lights in Seoul; ski season opens.

Key facts

Verdict
Good
Temperature
5°C / −4°C
average high / low
Rain days
7
Crowds
Medium
South Korea overall
Prices
Medium
South Korea overall

Verdict

GoodSouth Korea month rating

Outside the best window (Apr–May, Sep–Nov). Across South Korea: Cold and dry; Christmas markets and lights in Seoul; ski season opens.

Weather in December

Long-term averages
  • AsanHighs around 5 °C, lows around -4 °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.

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.

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 December →