France Reports Nearly 8,000 Excess Heatwave Deaths After Unprecedented Summer

France recorded at least 817 excess deaths during a prolonged heat period from July 27 to August 20, bringing the provisional total linked to a succession of heatwaves since late May to nearly 8,000. The estimate includes deaths from all causes and does not establish that extreme heat caused each death; final figures could rise as more complete data become available. People ages 75 and older accounted for most of the excess mortality, including during the deadliest heatwave from June 17 to July 2, which produced 5,764 excess deaths, followed by 1,243 from July 3 to 20. French authorities described the summer as the country’s hottest in more than a century, while meteorologists linked the increasingly intense and prolonged heat to human-caused climate change.
France’s July 27–August 20 mortality period lasted 25 days, while Météo-France recorded the associated national heatwave as lasting 23 days, from July 28 to August 19. The weather agency said it matched France’s longest heatwave on record, in July 1983, but was more intense.
The provisional total cited by France’s public health authority was 7,919 excess deaths through August 20, including 95 deaths during an earlier heatwave spike from May 24 to 28; the figure could still increase as later data are processed.
Guillaume Boulanger of France’s public health authority described the summer as “completely unprecedented,” marked by “almost continuous heatwave episodes.”
The 2026 summer surpassed the severe heat of 2003 and 2022 to become France’s hottest summer since records began in 1900. The 2003 heatwave, remembered for understaffed hospitals and elderly people left alone during the holidays, caused about 15,000 deaths.
A large number of excess deaths among older people occurred on August 14–16, shortly after the summer’s hottest days, highlighting the delayed mortality impact of extreme heat.
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