A youngster cools off by leaping from the Wey footbridge into 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 youngster cools off by leaping from the Wey footbridge into 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 youngster cools off by leaping from the Wey footbridge into 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)

Teenagers prepare to cool off by leaping from the Wey footbridge into 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)

Teenagers cool off by leaping from the Wey footbridge into 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)

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)