At 6 p.m. at the Hong Kong Observatory : Air temperature : 31 degrees Celsius Relative Humidity : 72 per cent During the past hour the mean UV Index recorded at King's Park : 0.4 Intensity of UV radiation : low Please be reminded that:The Very Hot Weather Warning is now in force. The public should beware of heatstroke and drink more water. The air temperatures at other places were: Hong Kong Observatory31 degrees ; King's Park31 degrees ; Wong Chuk Hang30 degrees ; Ta Kwu Ling31 degrees ; Lau Fau Shan31 degrees ; Tai Po31 degrees ; Sha Tin30 degrees ; Tuen Mun31 degrees ; Tseung Kwan O30 degrees ; Sai Kung31 degrees ; Cheung Chau31 degrees ; Chek Lap Kok31 degrees ; Tsing Yi30 degrees ; Shek Kong31 degrees ; Tsuen Wan Ho Koon29 degrees ; Tsuen Wan Shing Mun Valley30 degrees ; Hong Kong Park30 degrees ; Shau Kei Wan30 degrees ; Kowloon City31 degrees ; Happy Valley31 degrees ; Wong Tai Sin32 degrees ; Stanley30 degrees ; Kwun Tong30 degrees ; Sham Shui Po31 degrees ; Kai Tak Runway Park30 degrees ; Yuen Long Park32 degrees ; Tai Mei Tuk31 degrees . [air temperatures at other places]