| Dates | Either mid-April 2027, if Daejeon again pairs the festival with the national Korea Science Festival as in 2025 and 2026, or mid/late October, its slot until 2024. The 2026 national festival is touring Busan, Daejeon, Gyeonggi and Jeonbuk, and no 2027 host or dates have been announced; Daejeon released its 2026 plan about two weeks before the event (5 April). |
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| Weather | April average 19/7 °C (67/44 °F), 82 mm of rain October average 21/9 °C (69/49 °F), 59 mm of rainMonthly averages, not a forecast: Korea Meteorological Administration climate normals, 1991–2020, Daejeon station. |
| Venue | Daejeon Convention Center (DCC) Exhibition Hall 2 and Expo Science Park대전광역시 유성구 엑스포로 87 (도룡동) |
| Admission | Free; all exhibitions, booths, forum sessions and performances were free in 2026. |
| Previous edition | 2026: 17–19 Apr 2026 |
About the festival
The Daejeon Science Festival is a free science fair run by Daejeon city with the Ministry of Science and ICT at Daejeon Convention Center and Expo Science Park, about an hour from Seoul by KTX. The 2026 edition ran 17–19 April, 10:00–18:00, together with the national Korea Science Festival; 2027 dates are not set. Admission is free. Go for hands-on booths from Korea's government research institutes.
Transport, booking, crowd and accessibility details are on the main Daejeon Science Festival page, which covers every edition.
Source
Facts checked
16 October 2026, against the sources listed below.