Seoul, South Korea

Seoul in August

South Korea Updated 2026-07-01

The hottest and stickiest month, though the monsoon eases and the city itself thins as residents leave town.

Is August a good time to visit Seoul?

August is a middling month in Seoul — crowds around 68/100. Not the worst, but January is noticeably calmer.

What’s on in August

  • Liberation Day (Aug 15)
  • Peak domestic holiday weeks — Seoulites head for the coast

Best days in August

Weekdays are almost always calmer than weekends.

Sun
Mon
Tue
Wed
Thu
Fri
Sat

Tue is normally the calmest day of the week.

Best hours in August

The daily rhythm, hour by hour.

Calmest 9AM
12AM6AM12PM6PM11PM

The 9:00 AM window is usually the calmest of the day.

Weather in August

Typical highs, lows and wet days.

J -6°
F -3°
M 11°
A 18°
M 24° 14°
J 27° 19°
J 29° 23°
A 30° 24°
S 26° 18°
O 20° 11°
N 12°
D -3°
Average high Average low Wet days

How August compares

Every month in Seoul, ranked by how calm it is.

Quieter alternatives

If your dates are flexible, these months are calmer in Seoul.

Book things to do

Tours and tickets in Seoul, from our booking partner.

Affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes a crowd score or the order of our recommendations.

Frequently asked questions

Is August a good month to visit Seoul?

August is a middling month in Seoul — crowds around 68/100. Not the worst, but January is noticeably calmer.

How crowded is Seoul in August?

Seoul sits at roughly 68/100 in August on our crowd scale, which is 3 points above the yearly average. The quietest month is January.

What is the weather like in Seoul in August?

Expect highs around 30°C and lows near 24°C in August, with about 14 wet days across the month.

Other months in Seoul