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Heatwave Sweeps Europe from London to Madrid, Temperatures Near 39°C

Heatwave Sweeps Europe from London to Madrid, Temperatures Near 39°C
Environment · 2026
Photo · Elena Novak for European Pulse
By Elena Novak Environment & Climate Jun 25, 2026 3 min read

A powerful heatwave is sweeping across Europe, driving temperatures close to 39°C from London to Madrid and prompting urgent health warnings. The extreme weather, which has gripped France, Spain, Belgium, and the United Kingdom, is raising concerns about public safety and the resilience of infrastructure.

Record Heat Across the Continent

In London, thermometers hit 38.7°C, breaking the previous June record. The UK Met Office issued its first-ever amber warning for extreme heat, urging people to stay indoors and avoid travel during peak hours. The heatwave has also forced the closure of several tourist sites, including the Eiffel Tower in Paris, where temperatures soared past 38°C.

Spain is experiencing some of the hottest days of the year, with Madrid recording 39°C. The Spanish government activated its national heatwave plan, opening cooling centers and advising vulnerable populations to take precautions. In Belgium, health authorities issued a heat alert as temperatures approached 38°C in Brussels and Antwerp.

Public Health and Infrastructure Under Strain

The World Health Organization (WHO) has urged European leaders to act swiftly as heatwave-related deaths mount. The elderly, children, and those with pre-existing health conditions are most at risk. Hospitals across the affected regions are reporting a surge in heatstroke and dehydration cases.

Infrastructure is also under pressure. Power grids in France and Spain are struggling to meet demand as air conditioning usage spikes. Rail services have been disrupted in the UK and Belgium due to track buckling, while roads in southern Europe are seeing increased traffic accidents linked to heat stress.

The economic impact is uneven, with low-income households, working mothers, and farm laborers bearing the brunt. Outdoor workers, particularly in agriculture and construction, face heightened risks, and many are unable to afford adequate cooling.

Climate Change and Future Preparedness

Scientists link the intensity of this heatwave to climate change, noting that such extreme events are becoming more frequent and severe across Europe. The European Union has been developing heatwave action plans, but critics argue that implementation remains uneven among member states.

In Spain, which recorded its hottest June days on record, local authorities are investing in urban greening projects to mitigate the urban heat island effect. Meanwhile, the UK is reviewing its heatwave response after the June temperature record was broken. Belgium has also updated its health alert system to better coordinate with neighboring countries.

As the heatwave continues, the focus remains on protecting lives and adapting infrastructure. The WHO chief has called for a coordinated European response, emphasizing that no country can face this challenge alone. The coming days will test the continent's ability to manage extreme weather, with lessons likely to shape future policies.

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