Overview
- Late August provisional tallies from national agencies and monitoring platforms place excess summer deaths across Europe at a minimum of 32,000–35,000, with final totals likely higher because many countries have not yet released August data.
- Germany has reported the highest national count, with the Robert Koch Institute updating its estimate to roughly 15,800 heat‑related deaths this summer, concentrated among people over 75 and peaking in the week of June 22–28.
- France's provisional monitoring shows about 7,300 excess deaths through July 22 while Spain's Carlos III system attributes roughly 4,947 deaths since May, and the UK Health Security Agency estimated 2,877 deaths linked to May–June heatwaves.
- The heatwaves brought record temperatures, prolonged drought, widespread wildfires and strained infrastructure by lowering river flows and forcing reduced power output, which together increased risks for older people and those in poorly cooled urban homes.
- Scientists and health agencies say human‑driven warming raised the odds and intensity of these extremes, ONS analysis finds over 40,000 deaths in England and Wales associated with the hottest days from 1988–2025, and experts are calling for faster investment in cooling, health protection and grid resilience.