Seoul in August Festivals, dates and what's on

Seoul has one festival on record in August: Hangang Festival (Summer), expected Jul/Aug 2027, free + paid activities. The Hangang Festival (Summer) is the Seoul city government's summer run of its Han River park festival, the event that began in 2013 as Hangang Mongttang. The 2026 run was 1–16 August in nine riverside parks, with free concerts and films under the bridges, pool parties, a silent disco under Mapo Bridge, the overnight Hangang Night Walk 42K and discounted boat rides; the 2027 run is expected in late July and August but has not been announced. Entry and many programmes are free; pool events cost ₩1,000–3,000 and the silent disco ₩9,000, while races, cruises and boat rides cost ₩12,500–70,000.

Typical August weather in Seoul: average high 30 °C (86 °F), low 23 °C (73 °F), 348 mm of rain (Seoul station, KMA 1991–2020 normals).

At a glance

FestivalDatesAdmissionNearest stationStatus
Hangang Festival (Summer)한강페스티벌 여름Expected Jul/Aug 2027Free + paid activitiesYeouinaru Station, Exit 2Expected

Dates marked “expected” follow the organizer's usual pattern and are replaced when the official announcement comes. Each festival page lists the sources.

Weather in August

Festival townAverage highAverage lowRainMeasured at
Seoul30 °C 86 °F23 °C 73 °F348 mmSeoul

What to wear. Hot, humid and the wettest time of year: light clothes, a rain jacket or umbrella, and water.

Monthly averages, not a forecast. Source: Korea Meteorological Administration climate normals, 1991–2020, via the KMA-sourced climate tables for Seoul. Where a festival town has no station with published normals, the nearest one is used and its distance shown.

The festival

All festivals in Seoul
The Moonlight Rainbow Fountain on Banpo Bridge at dusk; the summer festival is centred on Yeouido and other Han River parks Expected
Expected2027
Jul / Aug
usual window
NatureSeoul

Hangang Festival (Summer)

The Hangang Festival (Summer) is the Seoul city government's summer run of its Han River park festival, the event that began in 2013 as Hangang Mongttang. The 2026 run was 1–16 August in nine riverside parks, with free concerts and films under the bridges, pool parties, a silent disco under Mapo Bridge, the overnight Hangang Night Walk 42K and discounted boat rides; the 2027 run is expected in late July and August but has not been announced.

August across Korea

All 18 festivals in August

The mud festival, Pentaport, Hwacheon's tomato festival and Jangheung's water festival all run into early August, and the Busan Sea Festival puts fireworks, a beach pub and free concerts on Dadaepo Beach between late July and mid-August. Around 14 August, the anniversary of Admiral Yi Sun-sin's 1592 victory off Hansan Island, Tongyeong stages the Hansan Daecheop Festival with a naval procession, a battle re-enactment on the water and fireworks over the sea. Jecheon's music-and-film festival plans to open in August in 2027, and in the last week of the month Yeongdong holds its grape festival, with grape stomping and picking. Muju's firefly festival, with guided night walks to see fireflies in a protected habitat, follows in early September. Typhoon season peaks in late August and September; organizers post cancellations on the morning of the event.

Tip. Firefly viewing tours at Muju are ticketed and limited; book the moment sales open.

Questions travelers ask

Is there a festival in Seoul in August?

Seoul has one festival on record in August: Hangang Festival (Summer), expected Jul/Aug 2027, free + paid activities. The Hangang Festival (Summer) is the Seoul city government's summer run of its Han River park festival, the event that began in 2013 as Hangang Mongttang. The 2026 run was 1–16 August in nine riverside parks, with free concerts and films under the bridges, pool parties, a silent disco under Mapo Bridge, the overnight Hangang Night Walk 42K and discounted boat rides; the 2027 run is expected in late July and August but has not been announced. Entry and many programmes are free; pool events cost ₩1,000–3,000 and the silent disco ₩9,000, while races, cruises and boat rides cost ₩12,500–70,000.

When is Hangang Festival (Summer) 2027?

Expected Jul/Aug 2027. Expected. Free + paid activities. Nearest station: Yeouinaru Station, Exit 2. The organizer has not yet confirmed the dates; this page updates when they do.

What is the weather like in Seoul in August?

Average high 30 °C (86 °F), low 23 °C (73 °F), 348 mm of rain (Seoul station, KMA 1991–2020 normals). Hot, humid and the wettest time of year: light clothes, a rain jacket or umbrella, and water.

How do I get to Seoul?

Incheon Airport to central Seoul by AREX express train: 43–51 minutes to Seoul Station.

What else is on in Korea in August?

18 festivals across Korea fall in August, including Boryeong Mud Festival, Busan Sea Festival, Goheung Nokdong Port Drone Show. Firefly viewing tours at Muju are ticketed and limited; book the moment sales open.