Excess deaths caused by heatwaves in England ‘almost double’ so far this year
The UK Health Security Agency (UKHSA) estimates that England experienced 2,877 heat-associated deaths during heatwaves in May and June of this year. This figure is nearly double the number of heat-associated deaths recorded during the summer of 2025.

Briefing Summary
AI-generatedThe UK Health Security Agency (UKHSA) estimates that England experienced 2,877 heat-associated deaths during heatwaves in May and June of this year. This figure is nearly double the number of heat-associated deaths recorded during the summer of 2025. Specifically, 753 deaths were linked to the May heatwave, and 2,124 to the June heatwave. These interim figures are approaching the annual record set in 2022. The June heatwave saw three consecutive days of red warnings, indicating a danger to life, with the young, elderly, and those with pre-existing conditions being most vulnerable. Experts are urging action to reduce greenhouse gas emissions and mitigate the impacts of global heating.
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Model · rule-basedKey claims
5 extractedExperts have called for urgent measures to cut greenhouse gas emissions and protect people from global heating.
753 deaths were associated with the heatwave from May 24-27, and 2,124 with the heatwave from June 21-28.
An estimated 2,877 heat-associated deaths occurred during heatwaves in May and June this year.
Excess deaths caused by heatwaves in England have almost doubled so far this year compared to 2025.
The figures are approaching the annual record reported by UKHSA in 2022.