NewsUK NewsHeatwaveThe Met Office has confirmed a new temperature high for May at 33.5C, beating the long-standing May record of 32.8C which had been stood for more than 80 years13:23, 25 May 2026Updated 13:32, 25 May 2026Britain has officially recorded its hottest May on record after temperatures soared to 33.5C at Heathrow.‌The Met Office confirmed the new high on Monday afternoon, beating the long-standing May record of 32.8C, which had been stood for more than 80 years.‌The unprecedented heat comes as much of England swelters through a bank holiday heatwave, with forecasters warning temperatures could climb even higher on Tuesday.Article continues belowThe UK Health Security Agency (UKHSA) has issued yellow and amber heat health alerts across large parts of England, warning the extreme conditions could place added pressures on health services and pose risks to vulnerable people.This is a Breaking News story. You’ll be more likely to see our stories when any big news breaks in future by simply by clicking this link. You can also join The Mirror’s WhatsApp Community or follow us on Google News, Flipboard, Apple News, TikTok, Snapchat, Instagram, Twitter, Facebook, YouTube and Threads - or visit The Mirror homepage.Choose Daily Mirror as a 'Preferred Source' on Google News for quick access to the news you value.‌HeatwaveWeather