Seoul July — monsoon flooding near Cheonggyecheon stream

Seoul · South Korea

July

Peak monsoon: 252mm of rain. Not a travel month for most people.

Worth considering

#11 of 12 months

There are better months for Seoul — see the full ranking below.

See when to go instead →

Climate

High

28.6°C

Low

22.1°C

Rain

252mm

Sun

5.5hrs/day

30-year climate normals · Open Meteo ERA5

How July scores in Seoul

Weather
Low
Value
Excellent
Crowds
Excellent
Events
Average
Atmosphere
Above average

What you gain in July

  • Cheapest month for accommodation and tours
  • Some museums and indoor cultural attractions genuinely excellent regardless of weather
  • Korean summer food culture — naengmyeon (cold noodles) and bingsu (shaved ice) at their best

What you sacrifice

  • 252mm of rain: typhoon-level downpours, flash flooding in some districts
  • 28°C+ with 78% humidity — the hottest and most uncomfortable combination of the year
  • Most palace gardens and outdoor heritage sites at their least enjoyable

How July compares to October (best month)

FactorJulyOctober
Weather
2
9
Value
8
5
Crowds
8
4

July in other destinations

Climate data: 30-year normals (1991–2020) from Open Meteo ERA5 reanalysis. Scores compare months within Seoul, not across destinations. Methodology →