A normal October in Seoul: 21°C by day, 11°C at night, rain on about 4.9 days (69 mm). What to wear: mild — long sleeves or a light jacket. It does not snow in Seoul in October. Public holidays: National Foundation Day (Oct 3), Substitute holiday (National Foundation Day) (Oct 5), Hangul Day (Oct 9).
October weather around Korea
| City | High / low °C | Rain mm | Rain days | Snow days | Humidity % |
|---|---|---|---|---|---|
| Seoul | 21° / 11° | 69 | 4.9 | 0.0 | 63 |
| Busan | 23° / 15° | 105 | 4.6 | 0.0 | 63 |
| Jeju City | 22° / 17° | 112 | 5.5 | 0.0 | 68 |
| Gangneung | 19° / 11° | 161 | 7.5 | 0.0 | 68 |
| Gyeongju | 22° / 10° | 94 | 5.1 | — | 76 |
| Jeonju | 22° / 11° | 67 | 5.9 | 0.0 | 73 |
| Daegwallyeong (ski area) | 15° / 4° | 101 | 7.8 | — | 81 |
Seoul daytime highs: September 27°C → October 21°C → November 13°C, so October is colder than the month before. For the next 10 days’ forecast see Korea weather.
Public holidays in October 2026
| Date | Holiday |
|---|---|
| Oct 3 (Sat) | National Foundation Day October 3 — the mythical founding of Korea in 2333 BC. |
| Oct 5 (Mon) | Substitute holiday (National Foundation Day) A weekday off given because National Foundation Day fell on a weekend or overlapped another holiday. |
| Oct 9 (Fri) | Hangul Day October 9 — celebrates the Korean alphabet, promulgated in 1446. |
Banks and government offices close on these days; palaces, museums, shops and restaurants mostly open. See Korea public holidays for long weekends and what closes.
Festivals in October 2026
60 festivals start in October, and 9 that began earlier are still on (Korea Tourism Organization listings).
| Festival | Dates | Region |
|---|---|---|
| Cheonan World Dance Festival (천안흥타령춤축제) | Oct 1 – Oct 5 | Chungnam |
| Gimje Horizon Festival (김제지평선축제) | Oct 1 – Oct 5 | Jeonbuk |
| Goyang Autumn Flower Festival (고양가을꽃축제) | Oct 1 – Oct 11 | Gyeonggi |
| Gyeryong Military Culture Festival (계룡軍문화축제) | Oct 1 – Oct 5 | Chungnam |
| Jeongseon Arirang Festival (정선아리랑제) | Oct 1 – Oct 4 | Gangwon |
| Anseong Namsadang Baudeogi Festival (안성맞춤 남사당 바우덕이축제) | Oct 2 – Oct 5 | Gyeonggi |
| Bongsan Mask Dance(봉산탈춤 다 모여라~ ) | Oct 2 – Oct 4 | Seoul |
| Bupyeong Pungmul Festival (부평풍물대축제) | Oct 2 – Oct 4 | Incheon |
| Busan International Rock Festival (부산국제록페스티벌) | Oct 2 – Oct 4 | Busan |
| Geumsan World K-Insam Festival (금산세계인삼축제) | Oct 2 – Oct 11 | Chungnam |
| Hyo Culture Ppuri Festival (대전효문화뿌리축제) | Oct 2 – Oct 4 | Daejeon |
| Jeonju Bibimbap Festival (전주비빔밥축제) | Oct 2 – Oct 4 | Jeonbuk |
| Jeonju Cultural Heritage Night Tour (전주 국가유산야행) | Oct 2 – Oct 3 | Jeonbuk |
| Pohang Sunrise Noodle Festival (포항 해뜨면 국수축제) | Oct 2 – Oct 4 | Gyeongbuk |
| Sancheong Medicinal Herb Festival (산청한방약초축제) | Oct 2 – Oct 11 | Gyeongnam |
| Seoul Hanok Week (서울한옥위크) | Oct 2 – Oct 11 | Seoul |
| Soraepogu Festival (소래포구 축제) | Oct 2 – Oct 4 | Incheon |
| Yeongcheon Traditional Korean Medicine Festival (영천한약축제) | Oct 2 – Oct 4 | Gyeongbuk |
| Baekje Cultural Festival (백제문화제 ) | Oct 3 – Oct 11 | Chungnam |
| Gangnam Festival (강남페스티벌) | Oct 3 – Oct 5 | Seoul |
| Guardians of Jinju (진주의 수호자들) | Oct 3 – Oct 18 | Gyeongnam |
| Jinju Namgang Yudeung Festival (진주 남강유등축제) | Oct 3 – Oct 18 | Gyeongnam |
| Korean Dream Hangang Festival (코리안드림 한강대축제) | Oct 3 | Seoul |
| Yeongju Punggi Insam Festival (영주 풍기인삼축제) | Oct 3 – Oct 11 | Gyeongbuk |
| Gumcheon Siheung Haenggung Cultural Festival (금천시흥행궁문화제) | Oct 4 | Seoul |
| King Jeongjo’s Royal Parade (정조대왕 능행차 공동재현) | Oct 4 | Seoul |
| Suwon Hwaseong Festival (수원화성문화제) | Oct 4 – Oct 11 | Gyeonggi |
| Chungjang Street Festival of Recollection (광주 추억의 충장축제) | Oct 7 – Oct 11 | Jeonnam |
| D.FESTA Small Theater Festival (D.FESTA 소극장축제) | Oct 7 – Oct 25 | Seoul |
| Hoengseong Hanu Festival (횡성한우축제) | Oct 7 – Oct 11 | Gangwon |
…and 39 more in the listings.
Running for months (regular shows and exhibitions): Gugak Performance Jinyeon (국악공연 진연) · Buyeo-gun Chungnam Gugak Group’s Saturday Show(부여군충남국악단 토요상설공연) · Jindo National Gugak Center’s Saturday Show ‘I Love Gugak’(국립남도국악원 토요 상설 공연 ‘국악이 좋다’) · APAP Artwork Tour (APAP 작품투어 (안양공공예술프로젝트)) · Daejeon Yeonjeong Korean Traditional Music Group’s Saturday Gugak Show(대전시립연정국악단 토요국악) · K-Gugak Stage (K-국악 스테이지) · Ssokssokdeul-i Festival (국립극장 쏙쏙들이페스티벌) · ARI-The Spirit of Korea(아리아라리) and 6 more.
Plan the rest
FAQ
What is the weather like in Korea in October?
In Seoul a normal October has highs around 21°C and lows around 11°C, with rain on about 4.9 days. Jeju is 22°C / 17°C and Busan 23°C / 15°C.
What should I wear in Korea in October?
Mild — long sleeves or a light jacket. Mornings and evenings are around 11°C in Seoul.
Does it snow in Korea in October?
It does not snow in Seoul in October.
Are there public holidays in October 2026?
National Foundation Day on Oct 3; Substitute holiday (National Foundation Day) on Oct 5; Hangul Day on Oct 9.
Weather: Korea Meteorological Administration station records, 2011–2025 averages (not the official 1991–2020 normals). Holidays: Korea Astronomy and Space Science Institute. Festivals: Korea Tourism Organization (TourAPI). Page rebuilt 2026-10-01.
