What's on in Seoul, South Korea through the year
Seoul, South Korea has 11 curated events through the year — 3 festivals, 2 natural spectacles, 2 holidays, 2 seasons and 2 hazard seasons. The ones to plan around: Yeouido Spring Flower Festival (April) and Lotus Lantern Festival (April). February, April, May, September and October are its peak-crowd months.
Updated September 2026 · every event curated and sourced · dates for 2026 where they are announced, the usual window where they are not
Seoul events and crowds by month
| Month | What starts | Crowds |
|---|---|---|
| January | Seollal | Quiet |
| February | — | Peak crowds |
| March | Fine dust season, Cherry blossom | Busy |
| April | Yeouido Spring Flower Festival, Lotus Lantern Festival | Peak crowds |
| May | — | Peak crowds |
| June | Jangma, the rain front | Shoulder season |
| July | — | Quiet |
| August | Typhoon risk | Quiet |
| September | Chuseok | Peak crowds |
| October | Autumn colour | Peak crowds |
| November | Gimjang, kimchi-making | Shoulder season |
| December | Ski season an hour out | Quiet |
January in Seoul
Seoul weather in January →Quiet — the editor's quiet month, Winter break (gyeoul banghak) in South Korea
- Holiday
Seollal
16–18 FebLunar New YearClosuresCrowdedThe lunar new year closes shops and restaurants for three days and puts the country on the road at once. Palaces are free to enter and half the city is elsewhere. Source ↗
Still on: Ski season an hour out (10 Dec – 5 Mar (usually))
February in Seoul
Seoul weather in February →Peak crowds — Seollal, Winter break (gyeoul banghak) in South Korea
Nothing new starts in February.
Still on: Seollal (16–18 Feb), Ski season an hour out (10 Dec – 5 Mar (usually))
March in Seoul
Seoul weather in March →Busy — between the peaks, Cherry blossom
- Hazard
Fine dust season
1 Mar – 15 May · usuallySpring brings the worst air of the year, part local, part dust and pollution blown in from the west. Warnings are issued by district and masks reappear on the street. Source ↗
- Nature
Cherry blossom
28 Mar – 15 Apr · usuallyCrowdedThe front reaches Seoul at the start of April; Yeouido and the Han riverside are walked at night and the peak lasts under a week.
Still on: Ski season an hour out (10 Dec – 5 Mar (usually))
April in Seoul
Seoul weather in April →Peak crowds — the editor's peak month, Cherry blossom
- Festival
Yeouido Spring Flower Festival
8–12 AprCherry blossomCrowdedThe city closes the road behind the National Assembly for the blossom for about five days, adds stages and food stalls, and everyone in Seoul goes. Source ↗
- Festival
Lotus Lantern Festival
25 Apr – 25 May · usuallyMajor festivalCrowdedLanterns hang through the temple courtyards for weeks and a parade fills Jongno on the weekend before Buddha's Birthday, which is usually in May. Source ↗
Still on: Fine dust season (1 Mar – 15 May (usually)), Cherry blossom (28 Mar – 15 Apr (usually))
May in Seoul
Seoul weather in May →Peak crowds — the editor's peak month, Lotus Lantern Festival
Nothing new starts in May.
Still on: Fine dust season (1 Mar – 15 May (usually)), Lotus Lantern Festival (25 Apr – 25 May (usually))
June in Seoul
Seoul weather in June →Shoulder season — between the peaks, school holidays in 3 of the markets that fill it
- Season
Jangma, the rain front
25 Jun – 31 Jul · usuallyMonsoonRiskThe monsoon front parks over the peninsula for a few weeks and delivers the year's rain in short, very heavy bursts rather than steady drizzle.
July in Seoul
Seoul weather in July →Quiet — the editor's quiet month, Summer break (yeoreum banghak) in South Korea
Nothing new starts in July.
Still on: Jangma, the rain front (25 Jun – 31 Jul (usually))
August in Seoul
Seoul weather in August →Quiet — the editor's quiet month, Summer break (yeoreum banghak) in South Korea
- Hazard
Typhoon risk
1 Aug – 30 Sep · usuallyTyphoon seasonLate summer systems track up from the south; most weaken before Seoul, but one a year is enough to stop the trains and flood the Han riverside parks. Source ↗
September in Seoul
Seoul weather in September →Peak crowds — Chuseok, Chuseok in South Korea
- Holiday
Chuseok
24–26 SepHarvestClosuresCrowdedThe harvest holiday empties the city as families travel home. Small restaurants close for three days, the roads out are solid, and the palaces are quiet and free. Source ↗
Still on: Typhoon risk (1 Aug – 30 Sep (usually))
October in Seoul
Seoul weather in October →Peak crowds — the editor's peak month, school holidays in 3 of the markets that fill it
- Nature
Autumn colour
20 Oct – 10 Nov · usuallyThe mountains that ring the city turn from the top down through late October, and Bukhansan on a Saturday is as busy as any street in Seoul.
Still on: Chuseok (24–26 Sep)
November in Seoul
Seoul weather in November →Shoulder season — between the peaks
- Festival
Gimjang, kimchi-making
15 Nov – 10 Dec · usuallyMajor festivalThe communal cabbage-salting season, on UNESCO's heritage list, fills courtyards and apartment car parks for a few weeks before the ground freezes. Source ↗
Still on: Autumn colour (20 Oct – 10 Nov (usually))
December in Seoul
Seoul weather in December →Quiet — the editor's quiet month, Winter break (gyeoul banghak) in South Korea
- Season
Ski season an hour out
10 Dec – 5 Mar · usuallyThe Gangwon resorts run on cold, dry, machine-heavy snow from December, and the day trips from Seoul are the reason people ski here at all. Source ↗
Still on: Gimjang, kimchi-making (15 Nov – 10 Dec (usually))