Facts checked against live data · 25 Aug 2026

When to Go: Month-by-Month Weather & Crowds

When to Visit South Korea: Month by Month

Average highs, rainfall and public holidays across all twelve months in South Korea — and the quietest hours at the places worth going.

Easiest months to travel

Ranked by how mild and dry each month is on average. A comfortable month can still be a busy one — check its holidays.

  • May 23° / 12° · 111mm
  • April 18° / 6° · 64mm
  • October 19° / 9° · 85mm

Every month compared

MonthAverage highAverage lowRainfall
Jan -7°18mm
Feb -5°25mm
Mar 12°43mm
Apr 18°64mm
May 23°12°111mm
Jun 27°18°126mm
Jul 29°22°313mm
Aug 29°23°276mm
Sep 25°17°160mm
Oct 19°85mm
Nov 11°51mm
Dec -5°28mm
Email me this guide

Save this timing guide

Get a link to this page in your inbox, plus a short weekly brief on which destinations are entering their best window. One email a week, unsubscribe anytime.

Verified quiet times

Real foot-traffic data for places worth timing right.

Places to go in South Korea

All South Korea guides →

Plan your trip

Some links above are affiliate links — if you book through them, Wander Atlas earns a small commission at no extra cost to you. It's how we keep every guide free.

Climate figures are 10-year averages for Seoul, from Open-Meteo; holidays from public calendars. Updated monthly.

Wander Atlas newsletter

One genuinely useful travel guide, every week.

New destinations, insider itineraries, and the practical stuff that saves your trip. No spam — unsubscribe anytime.

Subscribe and get our free printable trip-planning checklist.