This page tracks the highest and lowest temperatures ever officially recorded at 42 weather stations across South Korea, based on measurements dating from 1949 to 2026. Use the interactive map or the list below to see the record high and record low temperature (in Fahrenheit) for each location, along with the date each record was set.
| Location | Temperature | Record Date |
| Andon | 101 °F (38 °C) | July 27, 2018 |
| Baengnyeongdo | 97 °F (36 °C) | August 7, 1994 |
| Busan | 103 °F (39 °C) | August 11, 2004 |
| Changwo | 102 °F (39 °C) | July 20, 1994 |
| Cheongj | 101 °F (38 °C) | August 15, 2018 |
| Cheorwo | 98 °F (37 °C) | August 1, 2018 |
| Chuncheon | 99 °F (37 °C) | July 27, 1978 |
| Chupungnyeong | 100 °F (38 °C) | June 2, 1986 |
| Daegu | 104 °F (40 °C) | July 13, 1994 |
| Donghae Radar | 102 °F (39 °C) | August 18, 1983 |
| Gangneung | 103 °F (39 °C) | July 13, 1994 |
| Gangneung | 102 °F (39 °C) | July 25, 1977 |
| Gangseo | 100 °F (38 °C) | July 18, 1994 |
| Gimpo | 101 °F (39 °C) | August 3, 1959 |
| Gunsan | 103 °F (40 °C) | July 12, 2007 |
| Gunsan - Kunsan AB | 100 °F (38 °C) | June 11, 1986 |
| Gwangju | 103 °F (39 °C) | August 28, 2010 |
| Incheon | 102 °F (39 °C) | August 16, 1949 |
| Jeju | 110 °F (43 °C) | August 8, 1986 |
| Jeonj | 103 °F (39 °C) | August 2, 2006 |
| Jinju | 102 °F (39 °C) | July 21, 1994 |
| Mokpo | 99 °F (37 °C) | July 24, 1994 |
| Mosulpo | 100 °F (38 °C) | August 13, 1979 |
| Pohang | 105 °F (41 °C) | May 28, 2004 |
| Pyeongtaek - Desiderio AAF | 102 °F (39 °C) | August 15, 2018 |
| Pyeongtaek - Osan Air Base | 103 °F (39 °C) | August 15, 2018 |
| Seogwip | 97 °F (36 °C) | August 23, 1995 |
| Seongnam | 104 °F (40 °C) | August 1, 2018 |
| Seosa | 104 °F (40 °C) | August 24, 2006 |
| Seoul | 101 °F (38 °C) | July 24, 1994 |
| Sokch | 101 °F (38 °C) | June 18, 2004 |
| Suwon | 102 °F (39 °C) | July 23, 1994 |
| Taejon | 100 °F (38 °C) | August 13, 2004 |
| Tongyeong | 107 °F (42 °C) | September 9, 2003 |
| Uljin | 105 °F (41 °C) | August 24, 2002 |
| Ulleungdo | 103 °F (39 °C) | July 26, 2007 |
| Ulsan | 102 °F (39 °C) | August 8, 2013 |
| Wando | 100 °F (38 °C) | September 2, 1994 |
| Wonju | 106 °F (41 °C) | August 1, 2018 |
| Yecheon | 104 °F (40 °C) | July 19, 1981 |
| Yeoju Range | 100 °F (38 °C) | June 2, 1986 |
| Yeosu | 99 °F (37 °C) | July 20, 1994 |
The highest temperature ever officially recorded in South Korea was 110 °F (43 °C), set in Jeju on August 8, 1986.
The lowest temperature ever officially recorded in South Korea was -21 °F (-29 °C), set in Cheorwo on January 16, 2001.
This page includes record high and low temperature data for 42 weather stations in South Korea.
The record highs and lows on this page span from 1949 to 2026 and are updated whenever a new station record is set.