When to go · Asan
Asan in January
Avoid month. Listed as a month to avoid: Jul–Aug (monsoon rain and heat), Jan–Feb (cold).
Key facts
- Verdict
- Avoid
- Temperature
- 3°C37°F / −6°C21°F
- average high / low
- Rain days
- 7
- Crowds
- Low
- South Korea overall
- Prices
- Low
- South Korea overall
Verdict
Listed as a month to avoid: Jul–Aug (monsoon rain and heat), Jan–Feb (cold).
Weather in January
- AsanHighs around 3 °C, lows around -6 °C, rain on about 7 daysHighs around 37 °F, lows around 21 °F, 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.
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.
What to pack
- A warm coat, hat and gloves for mornings and evenings
- Layers: a fleece or light jacket