Hong Kong sweltered on Friday, with temperatures exceeding 36 degrees Celsius in the northern New Territories by mid-afternoon. A heatwave in Hong Kong in late May 2026. Photo: Kyle Lam/HKFP. Acting Assistant Director of the Hong Kong Observatory (HKO) Choy Chun-wing told RTHK on Friday that minimum temperatures remained at, or above, 28 degrees Celsius over the past six days – matching a record seen in mid-May 2021. The longest continuous recor…