Seoul, South Korea

Seoul in May

South Korea Updated 2026-07-01

Warm, dry and green: May is the strongest all-round month, which is exactly why the hotels know it.

Is May a good time to visit Seoul?

May is one of the busiest months in Seoul, at about 80/100. If you can move your dates, January is far calmer.

What’s on in May

  • Children’s Day (May 5) — every family attraction at capacity
  • Buddha’s Birthday (movable) — lotus lantern parade through Jongno

Best days in May

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 May

The daily rhythm, hour by hour.

Calmest 9AM
12AM6AM12PM6PM11PM

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

Weather in May

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 May 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 May a good month to visit Seoul?

May is one of the busiest months in Seoul, at about 80/100. If you can move your dates, January is far calmer.

How crowded is Seoul in May?

Seoul sits at roughly 80/100 in May on our crowd scale, which is 15 points above the yearly average. The quietest month is January.

What is the weather like in Seoul in May?

Expect highs around 24°C and lows near 14°C in May, with about 9 wet days across the month.

Other months in Seoul