When Is the Best Time to Visit Seoul?

Seasonal Weather and Crowd Conditions

Spring (April to June)

Spring brings mild air and blooms. Early April draws crowds to Yeouido and royal palaces for cherry blossoms. May offers sunny days and comfortable walking weather across Jongno.

Summer (July to August)

Summer is hot and muggy. July brings the monsoon (jangma) with intense rain. High humidity makes open-air sightseeing taxing, though subway stations provide air conditioning. August brings local holiday crowds.

Autumn (September to November)

Autumn brings crisp air, low humidity, and clear skies. October and November feature colorful foliage around Namsan and palace grounds. It is the most reliable season for walking, with steady visitor numbers.

Winter (December to March)

Winter is cold and dry, marked by freezing Siberian winds and shorter daylight. Outdoor sites require heavy winter clothing, but major attractions are noticeably less congested.

Which Months to Pick or Avoid

• Best for sightseeing: October provides clear, dry weather for outdoor exploration.
• Best for flowers: April brings cherry blossoms, though parks will be busy.
• Months to avoid: Late July through mid-August brings monsoon downpours and peak humidity.

Holidays, Transport, and Packing

From Incheon International Airport (ICN), the AREX train links directly to central subway lines. Note two major national holidays: Seollal (winter) and Chuseok (autumn). During these dates, intercity transport fills up and family-run shops close, though grand palaces remain open.

Pack breathable layers and comfortable walking shoes for spring and autumn. Winter requires a padded down coat, thermals, and wind protection. Summer calls for quick-drying fabrics and rain gear.