Hong Kong sweltered through its hottest day of the year so far on Friday as temperatures hit 34.6 degrees Celsius (94.3 Fahrenheit) in the afternoon, with the city’s weather forecaster warning of hail. The Hong Kong Observatory said that this marked the highest temperature recorded on Grain in Ear, the Chinese summer solar term, since records began. By 4.20pm, temperatures had reached 34.4 degrees in Yuen Long Park and 34.1 degrees in Tuen Mun and Wetland Park.