Seoul breaks century-long record with 22 ‘tropical nights' in July
Overnight temperatures in Seoul have sizzled above 25 deg C for 22 consecutive days in July, officials said.
SEOUL - A streak of super-hot tropical nights broke a century-old South Korean weather record, according to official data released on July 31, as the peninsula bakes in a prolonged heatwave.
Overnight temperatures in Seoul have sizzled above 25 deg C for 22 consecutive days in July, officials said on July 31, marking the longest such streak for the month since modern weather records began in October 1907.
Such evenings are known as 'tropical nights' in South Korea.
The capital was also on track to record its hottest July night in history on July 30, with the lowest temperature of the day reaching 29.3 deg C – unless overnight temperatures rise even higher on July 31.
Much of the world is enduring a summer of sweltering weather, with June being the hottest month ever recorded for 12 countries, according to an AFP analysis of data from the European climate monitor Copernicus.
The intense heat in Seoul is expected to continue, according to the meteorology office.
'The warm air from the North Pacific High began affecting South Korea a bit earlier than usual,' Mr Youn Ki-han, director at Seoul's Meteorology Forecast Division, told AFP.
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'As that influence gradually built up, the heat accumulated, much like interest compounding in a savings account, slowly increasing over time,' said Mr Youn.
'Normally, if it's hot for just a day, temperatures spike and then quickly return to normal. But when warm conditions persist for several days, the heat doesn't fully dissipate, it lingers and accumulates with each day,' he added.
Thirteen people have died from suspected heat-related causes so far in 2025, triple the number from the same period in 2024, according to data from the Korea Disease Control and Prevention Agency.
Hundreds of thousands of livestock have also perished amid the extreme heat. AFP
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