The heatwave in June 2026 ranks among the most exceptional heat events ever observed in Europe. Between 13 and 29 June, it was felt across large parts of western, central and southern Europe and was accompanied by record-breaking daytime temperatures, exceptionally warm nights and prolonged exposure to heat.

This report examines the meteorological causes of the heatwave and highlights its impacts on various natural and socio-economic sectors. The study also assesses the consequences for hydrology, the energy system, human health and transport infrastructure, and illustrates how prolonged extreme heat can trigger chain reactions in interconnected systems.

The event demonstrates the far-reaching ecological, infrastructural and societal impacts that exceptional meteorological conditions can have, and underlines the importance of continuous adaptation and improved resilience to future heatwaves.

Click here to access the report.

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