Western Europe records hottest June as wildfires and heatwaves intensify

Western Europe has officially recorded its hottest June on record, as a persistent heat dome traps extreme temperatures across the continent. According to the European Union’s Copernicus climate monitoring service, surface air temperatures across the region reached 3.06C above the average for recent decades. Scientists note that this event is the third heatwave to strike the region in six weeks, with human-induced climate change, fossil fuel pollution, and the destruction of nature intensifying the heat.

The record-breaking conditions prompted the Met Office to issue a rare red extreme heat warning for parts of the south of England, Wales, and the Midlands, which remained in force through 11.59pm on Thursday, 25 June 2026. The UK Health Security Agency concurrently activated red heat-health alerts for the East of England, East Midlands, London, the South East, the South West, and the West Midlands, with amber alerts covering the North East, North West, and Yorkshire and The Humber. These alerts, which extended until 11pm on Friday, 26 June 2026, signaled an increased risk to life across the population and placed significant strain on health and social care services.

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The impact of the heat has disrupted essential services across the United Kingdom:

• Education: More than 1,000 schools closed or partially closed to protect pupils, despite Education Secretary Bridget Phillipson urging parents to keep sending children to operational schools, citing the cost of lost learning time.
• Transport: Network Rail and operators including Northern and Avanti West Coast implemented speed restrictions and service reductions. Passengers were advised to avoid all non-essential travel as the rail infrastructure struggled with the extreme conditions.
• Retail: Supermarkets in locations including Haslingden, Crewe, and Altrincham reported empty shelves as refrigeration systems failed to cope with the heat.

The environmental consequences have been severe. Data from the European Forest Fire Information System indicates that wildfire activity in the EU has burned 56% more land than the seasonal average. In France, 35,400 hectares have burned, while in Spain, 55,128 hectares have been destroyed. The French interior ministry confirmed that a 22-year-old firefighter died while responding to a blaze in the Alps. In the UK, police and emergency services were involved in an ongoing search for a 15-year-old boy missing after swimming at Testwood Lakes, near Totton, on Wednesday, 24 June 2026.

Experts emphasized the gravity of the shift in regional climate patterns. Samantha Burgess, a climate scientist at Copernicus, stated:

"Together, these records reflect a climate system continuing to accumulate heat. The result is increasingly intense heatwaves, a persistently warm ocean, and growing risks for people, ecosystems and infrastructure."

Professor Stephen Belcher, chief scientist of the Met Office, echoed these concerns:

"To see temperatures like this in the UK in June is sobering. Events like this bring home the implications of climate change, with very high temperatures and humidity bringing significant health implications from heat stress, as well as impacts to a range of sectors such as transport, energy and water supply."

Provisional June Temperature Records (2026)

Location	Recorded Temperature	Significance
Gosport, Hampshire	36.1C	Provisional June record
Wiggonholt, West Sussex	35.8C	June record
Charlwood, Surrey	35.7C	Surpassed 1976 June record
Barcelona, Spain	40.5C	City heat record

Secondary weather threats also emerged. The Met Office issued a yellow warning for thunderstorms in the southwest of the UK, effective for six hours on Thursday evening, warning of potential flash flooding, lightning, and wind gusts reaching 50 to 60 mph.

As the heatwave persisted, debate intensified regarding national resilience. London Mayor Sadiq Khan observed that the city’s public transport system was not built for temperatures approaching 40C. Meanwhile, the Energy and Climate Intelligence Unit highlighted that the average UK urban area is only 18% tree-covered, significantly lower than the European city average of 30%, which contributes to higher local temperatures. The Liberal Democrats proposed the creation of "cool hubs"—public buildings like libraries and leisure centres—to support vulnerable citizens during future heatwaves.