Best Seasons to Visit Seoul: Weather and Festival Guide

The optimal times to visit Seoul are spring (April–May) and autumn (October–November), when the weather is mild, skies are clear, and the city's natural beauty peaks.

Spring (April–May) — Cherry Blossoms & Festivals

Weather: 10–22°C (50–72°F), low humidity, minimal rain. Highlights: Cherry blossoms (early April, Yeouido, Seokchon Lake, Namsan), azaleas, forsythia. Festivals: Yeouido Spring Flower Festival, Lotus Lantern Festival (Buddha's Birthday, May), Seoul Festival.

Autumn (October–November) — Foliage & Culture

Weather: 10–20°C (50–68°F), crisp, dry, brilliant blue skies. Highlights: Fall foliage (late Oct–mid Nov: Namsan, Bukhansan, Olympic Park, palace gardens). Festivals: Seoul Kimchi Making & Sharing Festival (Nov), Seoul Lantern Festival (Cheonggyecheon, Nov), Hi Seoul Festival.

Other Seasons

Summer (Jun–Aug): Hot, humid (25–30°C, 80%+), monsoon (Jangma, late Jun–Jul), typhoon risk. Perks: Boryeong Mud Festival, water parks, night markets. Winter (Dec–Feb): Cold (-5 to 5°C), dry, occasional snow. Perks: Skiing (nearby resorts), Christmas markets, ice skating, hot springs, fewer crowds.

Practical Tips

• Book early: Spring/autumn = peak season; hotels/flights fill 3–6 months ahead.
• Layers: Temperature swings 10°C+ daily.
• Transport: T-money card (subway, bus, taxi); avoid rush hours (8–9 AM, 6–7 PM).
• Apps: KakaoMap/Naver Map (transit, places), Papago (translate), Yogiyo (food delivery).