Seoul Weather
Seoul has four distinct seasons with hot, humid summers and cold, dry winters. Spring (April-May) and autumn (September-November) offer the most pleasant weather for sightseeing, with cherry blossoms in April and vibrant foliage in October-November.
Monthly Climate
Average temperatures and rainfall in Seoul. Currently March: 0° to 9°C, 40mm rainfall.
When to Visit Seoul
Spring
March - MayCherry blossoms peak in early April. Temperatures swing 10+ degrees between morning and afternoon — layer up. The best weather for palace visits and park walks.
Summer
June - AugustMonsoon season (jangma) hits mid-June to late July with heavy rain. August is hot and humid (30°C+). Carry an umbrella and stay hydrated. Indoor attractions and underground shopping are your friend.
Autumn
September - NovemberThe best season to visit Seoul. Clear skies, comfortable temperatures, and spectacular fall foliage from mid-October. Perfect for hiking Bukhansan or strolling Namsan.
Winter
December - FebruaryCold and dry (-5 to 2°C). Pack thermal layers, a heavy coat, and hand warmers. Fewer tourists mean shorter lines. Enjoy jjimjilbang (Korean saunas) and steaming street food.
Packing Tips
- Spring: Light jacket, layers, comfortable walking shoes
- Summer: Umbrella (essential), light breathable clothing, sunscreen
- Autumn: Light sweater, jacket for evenings, camera for foliage
- Winter: Heavy coat, thermal underwear, gloves, scarf, hand warmers