Worst time to visit Seoul

Some months in Seoul are clearly tougher for travel — extreme heat, cold, drenching rain, or peak storm season. Here's what to skip.

Months to avoid

MonthWhy
Januaryfreezing (-6°C overnight)
Februaryfreezing (-3°C overnight)
Julyvery wet (16 rain days)
Augustvery wet (14 rain days)
Decemberfreezing (-3°C overnight)

Better times to go

Better months: May (23°C, 10 rain days) · June (27°C, 11 rain days) · September (26°C, 9 rain days) · October (19°C, 6 rain days)

🌤 See the full Seoul climate →

Monthly averages, 10-day forecast, and the best months to visit.