Paddleboarders pass under a bridge on the River Wey, near Guildford, south of London on June 27, 2026, during a heatwave. The UK broke the record for a June temperature for the third day in a row on Friday, the Met Office weather agency said, as a sweltering heatwave strained schools and hospitals and drove down business. A provisional 37.3 C record temperature was chalked up in Santon Downham, a village in Suffolk. (Photo by JUSTIN TALLIS / AFP via Getty Images)

A person uses a hand-held fan to keep cool on Primrose Hill in central London on June 27, 2026, during a heatwave. The UK broke the record for a June temperature for the third day in a row on Friday, the Met Office weather agency said, as a sweltering heatwave strained schools and hospitals and drove down business. A provisional 37.3 C record temperature was chalked up in Santon Downham, a village in Suffolk. (Photo by Toby Shepheard / AFP via Getty Images)

People exercise in the sunshine on Primrose Hill in central London on June 27, 2026, during a heatwave. The UK broke the record for a June temperature for the third day in a row on Friday, the Met Office weather agency said, as a sweltering heatwave strained schools and hospitals and drove down business. A provisional 37.3 C record temperature was chalked up in Santon Downham, a village in Suffolk. (Photo by Toby Shepheard / AFP via Getty Images)

People rest on a bench on Primrose Hill in central London on June 27, 2026, during a heatwave. The UK broke the record for a June temperature for the third day in a row on Friday, the Met Office weather agency said, as a sweltering heatwave strained schools and hospitals and drove down business. A provisional 37.3 C record temperature was chalked up in Santon Downham, a village in Suffolk. (Photo by Toby Shepheard / AFP via Getty Images)

A person poses for a photo with a fan on Primrose Hill in central London on June 27, 2026, during a heatwave. The UK broke the record for a June temperature for the third day in a row on Friday, the Met Office weather agency said, as a sweltering heatwave strained schools and hospitals and drove down business. A provisional 37.3 C record temperature was chalked up in Santon Downham, a village in Suffolk. (Photo by Toby Shepheard / AFP via Getty Images)

A person uses a hand-held fan to keep cool on Primrose Hill in central London on June 27, 2026, during a heatwave. The UK broke the record for a June temperature for the third day in a row on Friday, the Met Office weather agency said, as a sweltering heatwave strained schools and hospitals and drove down business. A provisional 37.3 C record temperature was chalked up in Santon Downham, a village in Suffolk. (Photo by Toby Shepheard / AFP via Getty Images)

People cool off in the River Wey, as kayakers pass by near Guildford, south of London on June 27, 2026, during a heatwave. The UK broke the record for a June temperature for the third day in a row on Friday, the Met Office weather agency said, as a sweltering heatwave strained schools and hospitals and drove down business. A provisional 37.3 C record temperature was chalked up in Santon Downham, a village in Suffolk. (Photo by JUSTIN TALLIS / AFP via Getty Images)

Rowers take advantage of the cooler morning temperatures on the River Wey, near Guildford, south of London on June 27, 2026, during a heatwave. The UK broke the record for a June temperature for the third day in a row on Friday, the Met Office weather agency said, as a sweltering heatwave strained schools and hospitals and drove down business. A provisional 37.3 C record temperature was chalked up in Santon Downham, a village in Suffolk. (Photo by JUSTIN TALLIS / AFP via Getty Images)