The temperature on the peak is the lowest in five years.
Some hiked up the mountain at midnight hoping to catch sight of frost.
Hong Kong is expected to welcome 2021 with the chilliest winter in 16 years.
No wonder it didn't feel much like a storm.
The rare rainbow phenomenon happens when sunlight diffracts through water droplets.
The monthly mean maximum temperature was a soaring 33.3 degrees.
These pictures of a double rainbow in Hong Kong will make you fall in love with the city all over again
Hong Kong, you absolute beaut
The temperature soaring to 33.9°C during the day
PHOTO: Waterspout spotted near Hong Kong airport as observatory issues third day of rainstorm warning
A Facebook user posted a picture of the waterspout in Chek Lap Kok as Hong Kong saw its third consecutive day of heavy rain