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Seoul Weather in Spring — What to Expect
City Guide4 min read

Seoul Weather in Spring — What to Expect

April 9, 2026

Overview

Seoul, South Korea — spring brings cherry blossoms along the Yeouido waterfront and a welcome end to the bitter winter cold. Whether you are planning a holiday or a business trip, understanding the weather helps you pack right and make the most of your time.

Temperature

Daytime highs reach 17°C (63°F) while nights cool to 6°C (43°F). Expect around 7 hours of sunshine per day.

Rainfall

Seoul sees about 65mm of rainfall across 8 days during this period. Rainfall is moderate. The odd shower is possible but unlikely to ruin your plans.

Humidity and Comfort

Average humidity sits at 55%. The air is pleasantly dry, making even warmer temperatures feel manageable.

What to Pack

  • Layered outfits — sweaters, a warm jacket, and a scarf
  • Waterproof walking shoes
  • Compact umbrella or light rain jacket
  • Comfortable walking shoes suited to the terrain

Best Things to Do

  • Walk under cherry blossoms at Yeouido's Yunjung-ro and along the Seokchon Lake
  • Explore the five grand palaces — Gyeongbokgung is the most spectacular
  • Shop and snack in the Myeongdong district
  • Take a DMZ tour for a sobering look at the Korean border

Travel Tips

  • Yellow dust from China can affect air quality — check AQI and carry a KF94 mask
  • Cherry blossom peak is usually early to mid-April but varies by year
  • A T-money transport card works on subways, buses, and even convenience stores

Quick Summary

MetricValue
Daytime High17°C (63°F)
Nighttime Low6°C (43°F)
Rainfall65mm over 8 days
Humidity55%
Sunshine7 hrs/day

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