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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, month by month

The best months for Asan: Apr, May, Sep, Oct, Nov. Months to avoid: Jan, Feb, Jul, Aug.

Month by month

  1. JanuaryAvoidListed as a month to avoid: Jul–Aug (monsoon rain and heat), Jan–Feb (cold).3 °C / -6 °C, 7 rain daysCrowds: Low · 1 festival or holiday
  2. FebruaryAvoidListed as a month to avoid: Jul–Aug (monsoon rain and heat), Jan–Feb (cold).5 °C / -4 °C, 6 rain daysCrowds: Medium · 1 festival or holiday
  3. MarchMixedOutside the best window (Apr–May, Sep–Nov). Across South Korea: Cold start, fine dust peaks; cherry blossom reaches Jeju and Busan late in the month.12 °C / 0 °C, 7 rain daysCrowds: Medium
  4. AprilGreatInside Asan's best window: Apr–May, Sep–Nov.18 °C / 6 °C, 8 rain daysCrowds: High
  5. MayGreatInside Asan's best window: Apr–May, Sep–Nov.24 °C / 13 °C, 8 rain daysCrowds: High
  6. JuneGoodOutside the best window (Apr–May, Sep–Nov). Across South Korea: Warm and green until the monsoon arrives late in the month.28 °C / 18 °C, 9 rain daysCrowds: Medium
  7. JulyAvoidListed as a month to avoid: Jul–Aug (monsoon rain and heat), Jan–Feb (cold).30 °C / 22 °C, 14 rain daysCrowds: High
  8. AugustAvoidListed as a month to avoid: Jul–Aug (monsoon rain and heat), Jan–Feb (cold).31 °C / 23 °C, 13 rain daysCrowds: High
  9. SeptemberGreatInside Asan's best window: Apr–May, Sep–Nov.27 °C / 17 °C, 8 rain daysCrowds: Medium · 1 festival or holiday
  10. OctoberGreatInside Asan's best window: Apr–May, Sep–Nov.21 °C / 9 °C, 6 rain daysCrowds: High · 1 festival or holiday
  11. NovemberGreatInside Asan's best window: Apr–May, Sep–Nov.13 °C / 2 °C, 7 rain daysCrowds: Medium
  12. DecemberGoodOutside the best window (Apr–May, Sep–Nov). Across South Korea: Cold and dry; Christmas markets and lights in Seoul; ski season opens.5 °C / -4 °C, 7 rain daysCrowds: Medium