Seoul in April

When to go

Visit Seoul's editors say that whenever April comes around, cherry blossoms announce the arrival of spring, and the tourism board has a guide to blossom spots around the city. Check Visit Seoul's event pages for dated blossom events in the year you travel. The climate normals in the facts above give typical April temperatures and rainfall.

Trip facts

• The World Meteorological Organization's World Weather Information Service lists 1991–2020 normals from the Korea Meteorological Administration for Seoul in April as a mean daily maximum temperature of 17.9 °C (64.2 °F) and a mean daily minimum temperature of 8.0 °C (46.4 °F). (worldweather.wmo.int, checked 2026-10-15)
• The World Meteorological Organization's World Weather Information Service lists 1991–2020 normals from the Korea Meteorological Administration for Seoul in April as a mean total rainfall of 72.9 mm and a mean of 8.4 rain days. (worldweather.wmo.int, checked 2026-10-15)
• Visit Seoul, the Seoul Tourism Organization's official travel guide, says in its cherry blossom feature that whenever April comes around, the pink tinge of the cherry blossom flowers proclaim spring's arrival. (english.visitseoul.net, checked 2026-10-15)
• VisitKorea, the Korea Tourism Organization's official site, says K-ETA is exempted for foreign nationals of designated countries or regions until December 31, 2026, lists United States (including Guam) among them, and says to check the official K-ETA website for up-to-date information. (english.visitkorea.or.kr, checked 2026-10-15)
• The K-ETA site of Korea's Ministry of Justice says, in Korean, that the temporary K-ETA exemption measure is extended by one more year, with an extended exemption period of January 1 to December 31, 2026 (KST). (www.k-eta.go.kr, checked 2026-10-15)
• VisitKorea's Airport Guide lists the Airport Railroad (AREX) Express Train from Incheon International Airport Terminal 1 to Seoul Station at approximately 43 min and from Terminal 2 at approximately 51 min, and the All-Stop Train at approximately 59 min from Terminal 1 and approximately 66 min from Terminal 2. (english.visitkorea.or.kr, checked 2026-10-15)
• The Incheon International Airport Corporation's Airport Railroad guide lists an Information Desk and an Airport Railroad Ticket Vending Machine in the Transportation Center in Basement 1 of Terminal 1, and an Information Desk and a Ticket Counter in the Transportation Center in Basement 1 of Terminal 2. (www.airport.kr, checked 2026-10-15)
• Visit Seoul lists the Seoul subway's operating time as 5:30 a.m. – midnight (varies by subway station) and says all station signs are in Korean, English, and Chinese. (english.visitseoul.net, checked 2026-10-15)
• Seoul Metro's ticket guide says that to get a single-use transportation ticket you pay the transportation fee and a deposit (500 KRW), and that the deposit is refunded after you insert the ticket into a deposit refund machine upon exit. (www.seoulmetro.co.kr, checked 2026-10-15)
• Visit Seoul's About Seoul page groups Jongno-gu, Jung-gu and Yongsan-gu as the heart of Seoul, with historic landmarks such as Gyeongbokgung Palace and shopping hubs like Myeongdong, and describes Mapo-gu, Eunpyeong-gu and Seodaemun-gu as a cultural hot spot with Hongdae Street. (english.visitseoul.net, checked 2026-10-15)