Yangsan Logs 41.6 C as Korean Heat Wave Sets Another Record
South Korea's southeastern city of Yangsan recorded a temperature of 41.6 C on Saturday afternoon, its fourth consecutive day above 40 C and the latest in a series of records set during a punishing heat wave, according to the Korea Meteorological Administration (KMA). The mercury hit the mark at 2:08 p.m., the agency said.
The reading follows 41.4 C in Yangsan on Friday, which the KMA described as the highest temperature since modern weather observations began on the Korean Peninsula in 1904, based on its network of 97 long-term observation stations. Yangsan sits about 310 kilometers southeast of Seoul.
The KMA said that if temperatures in Yangsan reach 42 C, it would be the highest reading ever recorded under the country's modern observation system, including automatic weather stations. The agency also noted that only three temperatures higher than Friday's 41.4 C have been recorded in observation history — among them 41.9 C in Gwangju, Gyeonggi Province, on Aug. 1, 2018, a reading that falls outside the 97 stations used for the long-term record.
Why the New Yangsan Record Matters in Korea's Observation History
Why the Yangsan Reading Matters
The record is significant because it comes from the KMA's 97 long-term stations, the network used to define official climate history on the Korean Peninsula. Friday's 41.4 C had already topped the previous official mark from that network, and Saturday's 41.6 C extends it. The reference to the 2018 event is a reminder that intense heat of this magnitude has happened before, but the current event is now matching or exceeding that benchmark at an official station.
What the 2018 Caveat Means for Record-Keeping
The KMA's distinction matters for how the record will be cited. The 41.9 C recorded in Gwangju, Gyeonggi Province in August 2018 occurred at a site outside the 97 long-term stations, so it does not appear in the official comparison. That technicality explains why the agency calls the Yangsan reading a record based on the 97 stations while mentioning the 2018 figure separately. It does not lessen the current heat, but it shapes how the numbers will be treated in future climate analysis.
What Four Days Above 40 C Implies
Four consecutive days above 40 C in a single city points to mounting pressure on vulnerable groups, outdoor workers and local public services, even though the KMA's announcement focuses on the observations themselves. The agency's warning that Yangsan could reach 42 C suggests the peak of this event may still be ahead rather than behind.
Practical Cues for Residents of Yangsan and the Southeast
Residents in Yangsan and surrounding parts of southeastern South Korea should treat Saturday's 41.6 C reading as a signal to limit outdoor activity during the afternoon: the KMA recorded the daily high at 2:08 p.m., making early morning and late evening the safer windows for errands and physical work while the heat wave lasts. With the agency saying a 42 C reading is possible, older adults, people with chronic conditions and outdoor workers should take the four consecutive days above 40 C seriously and make use of air-conditioned spaces during peak hours.
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