Chungcheongnam-do in August Festivals, dates and what's on

Chungcheongnam-do has one festival on record in August: Boryeong Mud Festival, expected Jul/Aug 2027, free + paid activities. The Boryeong Mud Festival is a 17-day summer event at Mud Plaza on Daecheon Beach in Boryeong, about 2 h 40 m by train from Seoul. The 29th edition ran 24 July–9 August 2026; the 30th is expected in late July 2027. Beach, concerts and drone shows are free; mud zones cost ₩12,000–16,000 for adults, including a ₩5,000 local voucher. Go for the mud slide and night DJ sets. Sometimes held in August, but not this time: Hongseong Namdang Port King Prawn Festival (4 Sep – 8 Nov 2026).

Typical August weather in Boryeong: average high 30 °C (86 °F), low 22 °C (72 °F), 270 mm of rain (Boryeong station, KMA 1991–2020 normals).

At a glance

FestivalDatesAdmissionNearest stationStatus
Hongseong Namdang Port King Prawn Festival홍성남당항 대하축제4 Sep – 8 Nov 2026Free entryHongseong StationHappening now
Boryeong Mud Festival보령머드축제Expected Jul/Aug 2027Free + paid activitiesDaecheon StationExpected

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
Boryeong30 °C 86 °F22 °C 72 °F270 mmBoryeong

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 Boryeong. Where a festival town has no station with published normals, the nearest one is used and its distance shown.

The festivals

All festivals in Chungcheongnam-do
Deep-fried king prawns at the 2015 Namdang Port King Prawn Festival in Hongseong Happening now
Sep – Nov2026
4 –8
Fri–Sun
FoodHongseongFreeUntil 8 Nov

Hongseong Namdang Port King Prawn Festival

The Hongseong Namdang Port King Prawn Festival (홍성남당항 대하축제) is a two-month seafood festival at Namdang Port on Cheonsu Bay in Seobu-myeon, Hongseong, Chungcheongnam-do, where the port's restaurants and stalls sell in-season daeha prawns, usually salt-grilled, with weekend shows and bare-hand prawn catching. The 31st edition runs 4 September–8 November 2026, 09:00–24:00, with free entry; prawns are sold at one festival price of ₩45,000 per kg to take away or ₩60,000 per kg in restaurants.

Festival-goers dancing in a shower of foam at the Boryeong Mud Festival Expected
Expected2027
Jul / Aug
usual window
NatureBoryeongAbout 2 h 50 min from Seoul

Boryeong Mud Festival

The Boryeong Mud Festival is a 17-day summer event at Mud Plaza on Daecheon Beach in Boryeong, about 2 h 40 m by train from Seoul. The 29th edition ran 24 July–9 August 2026; the 30th is expected in late July 2027.

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 Chungcheongnam-do in August?

Chungcheongnam-do has one festival on record in August: Boryeong Mud Festival, expected Jul/Aug 2027, free + paid activities. The Boryeong Mud Festival is a 17-day summer event at Mud Plaza on Daecheon Beach in Boryeong, about 2 h 40 m by train from Seoul. The 29th edition ran 24 July–9 August 2026; the 30th is expected in late July 2027. Beach, concerts and drone shows are free; mud zones cost ₩12,000–16,000 for adults, including a ₩5,000 local voucher. Go for the mud slide and night DJ sets. Sometimes held in August, but not this time: Hongseong Namdang Port King Prawn Festival (4 Sep – 8 Nov 2026).

When is Hongseong Namdang Port King Prawn Festival 2026?

4 Sep – 8 Nov 2026. Happening now. Free entry. Nearest station: Hongseong Station. Dates are taken from the organizer's own notice.

When is Boryeong Mud Festival 2027?

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

What is the weather like in Boryeong in August?

Average high 30 °C (86 °F), low 22 °C (72 °F), 270 mm of rain (Boryeong 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 Chungcheongnam-do?

Daecheon Station by Saemaeul train from Yongsan; Cheonan-Asan by KTX in 40 minutes; Buyeo by bus from Seoul Nambu Terminal.

What else is on in Korea in August?

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