what was the hottest day in the uk 2017
2017 United Kingdom heat wave The 2017 United Kingdom heat wave was an event that took place in the United Kingdom in June 2017. Temperatures at Heathrow Airport reached a decades-high of 34.5 °C (94.1 °F), the hottest June temperature since 1976, on 21 June.[2] This marked five consecutive days of temperatures above 30 °C (86 °F), making it an official heatwave, and the first June heatwave since 1995.[3]