The Met Office reported that the United Kingdom experienced its hottest summer since systematic temperature measurements began in 1884. ^[1] Tuesday will be mostly clear with temperatures reaching 37C inland, though isolated afternoon showers cannot be ruled out in the mountains. ^[2] The percentage represents the frequency of rain occurrence across different mathematical simulations for a specific location. ^[3] The average temperature between day and night over the three-month period of June, July, and August was 61.7 degrees Fahrenheit. ^[4] The six hottest years on record have all occurred in the 21st century, with three of them happening in the current decade: 2022, 2025, and 2026. ^[5] The summer was one of the driest in history, with a total rainfall of 195.4 millimeters, representing 77% of the national average. ^[6] Temperatures will rise to 37C inland, around 32C on the western coast, 35C along the remaining coastal areas, and 27C in the higher mountains. ^[7] A British portal clarified that the rain probability percentage on smartphone weather apps is frequently misunderstood by users. ^[8] Former meteorologist and TV presenter Crystal Eger explained that a 60% chance means a 60% probability of measurable rain at the specific location during a certain period. ^[9] Most users incorrectly assume the percentage indicates that rain will cover 70% of the territory or last for 70% of the day. ^[10]