Hongkongers on Sunday woke up to the chilliest day of this winter so far as the mercury fell to 13 degrees Celsius (55.4 Fahrenheit) in urban areas amid a strong northeast monsoon, while temperatures fell to below 6 degrees on the city’s tallest peak. The local forecaster also reminded residents to stay warm while taking part in outdoor activities, warning that the weather would be windy on Sunday and that the “wind chill effect” would be particularly significant on high ground and exposed areas.

“A strong northeast monsoon is affecting the coast of Guangdong,” it said. “Locally, up to 8.30am, the minimum temperature recorded at the Observatory was 13.

0 degrees, the lowest so far this winter, and temperatures were a couple of degrees lower in the New Territories.” The temperature over at Tai Mo Shan, the city’s tallest peak, was only 5.9 degrees at 9.

30am, barely above the 3 degrees in the early hours of the day. The mercury dipped to 8 degrees at Ngong Ping in Lantau and 9 degrees at Tate’s Cairn..