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Hottest Day of the Year so Far Recorded as UK Temperatures Top Hawaii

CHARLWOOD, SURREY, ENGLAND, JUN 21 – The heatwave led to an amber heat-health alert and affected health services, with temperatures reaching 33.2C in Charlwood, Surrey, the highest recorded in the UK this year.

  • The UK recorded its hottest day of 2025 on June 21, with a provisional temperature of 33.2C in Charlwood, Surrey.
  • The heatwave follows three consecutive days of temperatures exceeding heatwave thresholds, prompting an amber heat-health alert across all England regions.
  • Scattered thunderstorms are expected amid the heatwave, especially across northern England, where heavy rain, lightning, hail, and gusty winds could cause flooding and disruption.
  • Met Office meteorologist Jonathan Vautrey noted that warm, moist air is moving northward from continental Europe, contributing to the development of thunderstorms and record-high temperatures during June nights.
  • The alert warns of significant health impacts, including increased demand on care services and potential rise in deaths among vulnerable groups during the sustained high temperatures.
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Hottest day of the year so far recorded as UK temperatures top Hawaii

The hottest day of the year so far has been recorded in the UK by the Met Office as temperatures hit more than 33C.

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iNews broke the news in London, United Kingdom on Saturday, June 21, 2025.
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