Seoul sees record number of sleepless nights in July

By Kim Hee-su Posted : July 31, 2025, 17:10 Updated : July 31, 2025, 17:39
Yonhap
People escape the heat at Han River Park in Seoul on July 29, 2025. Yonhap
SEOUL, July 31 (AJP) - With unbearable, scorching heat showing no sign of abating, Seoul saw a record number of tropical nights this summer, when the mercury refuses to fall below 25 degrees Celsius after dark.

Tropical nights in Seoul have persisted for 22 days this month, the longest stretch of sleepless nights for July since weather observations began in 1908, the Korea Meteorological Administration (KMA) said Thursday. The previous record was 21 days set in July 1994.

Seoul is not alone in enduring hot temperatures, as a heat wave warning or advisory has also been issued for most parts of the country, with daytime highs hovering between 31 and 37 degrees Celsius almost every day, causing heat-related casualties.

According to the Korea Disease Control and Prevention Agency (KDCA), nearly 2,800 people have been taken to emergency rooms nationwide with heatstroke, dehydration, or exhaustion since mid-May. Among them, 13 patients have died, more than triple the number recorded during the same period last year.
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