UK records nearly 3,000 heat-associated deaths during May and June heatwaves

Nearly 3,000 heat-associated deaths have occurred during two heatwave periods in May and June this year, according to early assessments by the UK Health Security Agency (UKHSA).

A staggering 2,877 heat-associated deaths have been recorded – almost double the figure reported annually for 2025.

An estimated 753 deaths were associated with the heat episode between May 24 and 27, with a further 2,124 amid the heatwave between June 21 and 28.

While these figures remain interim, they are already approaching the annual record reported by UKHSA in 2022.

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