Weather and seasons

Seoul has four distinct seasons, each offering a very different travel experience. Understanding the weather in Seoul will help you plan your trip, choose what to pack, and decide what activities are best for the time of year you visit.

Spring

What to expect

Spring is one of the most pleasant seasons to visit Seoul. The weather gradually warms from cool mornings to mild afternoons, and the city becomes filled with blooming flowers and cherry blossoms in late March and early April.

Typical weather

  • Temperatures: ~5°C to ~20°C
  • Light breezes and generally dry conditions
  • Occasional pollen or yellow dust days

Packing suggestions

  • Light layers (t-shirts, long sleeves)
  • Light jackets or cardigans
  • Comfortable walking shoes
  • Compact umbrella for spring showers

Summer

What to expect

Summer in Seoul is hot, humid, and lively. It includes the Asian monsoon season, bringing frequent rain, heavy showers, and high humidity — especially in July.

Typical weather

  • Temperatures: ~23°C to ~30°C
  • High humidity and occasional heavy rainfall
  • Long daylight hours

Packing suggestions

  • Breathable clothing (cotton, linen)
  • Sunscreen, hat, sunglasses
  • Lightweight, quick-dry items
  • Compact umbrella or rain jacket

Autumn

What to expect

Autumn is widely considered Seoul’s best season to visit. The air is crisp and clear, crowds are moderate, and landscapes are painted with rich autumn colours — especially late October to mid-November.

Typical weather

  • Temperatures: ~10°C to ~20°C
  • Cool mornings and warm afternoons
  • Minimal humidity

Packing suggestions

  • Layers (long-sleeve shirts, sweaters, jackets)
  • Comfortable closed-toe shoes
  • Scarf or light wrap for mornings/evenings

Winter

What to expect

Winter in Seoul is cold and dry, often with snow and crisp, clear days. Temperatures frequently drop below freezing, and wind makes it feel even colder.

Typical weather

  • Temperatures: often below 0°C
  • Snowfall common
  • Dry air

Packing suggestions

  • Heavy insulated coat
  • Thermal layers (tops & bottoms)
  • Gloves, hat, scarf
  • Waterproof boots or sturdy shoes