Europe’s Hottest Summer Killed Nearly Double Any Before It

Two peer-reviewed studies due in Nature Health estimate that extreme heat caused more than 50,000 excess deaths in European towns and cities this summer. Researchers from Imperial College London and the London School of Hygiene & Tropical Medicine analyzed 854 urban areas across 30 countries, covering roughly 40% of the population of those nations, and attribute about two-thirds of the toll to climate change.

For scale, the worst earlier summers were 2003, at about 28,000 deaths, and 2022, at about 29,000, so this year’s estimate is close to double. The research does not count tourists, but it lands squarely on the travel industry, because the same heat shaped how visitors experienced the continent.

Paris logged 47 days above 30°C, more than at any point since records began in 1947. The Louvre and the Eiffel Tower temporarily closed, and events including Solidays and the Pride March were called off. Overnight stays dipped 7.2% during the July 7–13 heatwave, though international visitor numbers were largely unaffected.

Researchers warn that people flying to southern and southeastern Europe may be underprepared for dangerous temperatures, and hotel industry group HOTREC calls heat a growing health and safety concern for guests and staff on a continent where air conditioning is far less common. HOTREC says it is too early to link summer 2027 bookings to heat. Travelers planning peak-season trips may want to check cooling at their lodging and build cooler-hour itineraries.

Sources: Skift