Best Time to Visit Seoul: Month-by-Month Guide

Best months for Seoul: May, October, September, June.

  • Best months for Seoul: May, October, September, June.
  • Peak season is August, July, June. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
  • Shoulder season: April, May, September, October. Good weather without the busiest period.
  • Wettest months: July, August, June.
  • The least pleasant month is January (score 4.8).

Year at a glance

2° -7° J 5° -5° F 11° 0° M 18° 6° A 23° 12° M 27° 18° J 28° 22° J 29° 22° A 26° 16° S 20° 9° O 12° 2° N 4° -5° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 2°C-7°C19 mm 4– – 4.8
February 5°C-5°C26 mm 4– – 5.3
March 11°C0°C38 mm 6– – 6.4
April 18°C6°C70 mm 7– – 7.4
May 23°C12°C96 mm 8– – 8.0
June 27°C18°C134 mm 9– – 7.6
July 28°C22°C311 mm 17– – 6.1
August 29°C22°C254 mm 15– – 6.1
September 26°C16°C123 mm 8– – 7.8
October 20°C9°C54 mm 5– – 8.0
November 12°C2°C47 mm 7– – 6.4
December 4°C-5°C23 mm 5– – 5.1

Frequently asked questions

When is the best time to visit Seoul?

The best months are May, October, September, June.

When is the rainy season in Seoul?

The wettest months are July, August, June.

May