Hong Kong is located just south of the Tropic of Cancer, at the same latitude as Hawaii. Hong Kong’s climate is subtropical and tends toward temperate.
January and February are cloudy, while March and April are pleasant, with the occasional humidity. From April to August, during summer, the area is hot and humid. November and December offer comfortable temperatures with pleasant breezes and plenty of sunshine. Tropical cyclones are common between July and September but they can occur anytime between May and November.
The highest temperature ever recorded in Hong Kong was 38 C/100 F, while the lowest ever was -4C/25F.
In January, the coldest month, the average temperature is 16.1C/61 F, with an average high of 18.6 C/65.5 F and low of 14.1C/57.4F.
In July, the hottest month of the year, the average temperature is 28.7 C / 83.7 F, with an average high of 31.3 C/88.3 F and low of 26.7 C/80.1 F.
Spring: lasts from March to mid-May. Both temperature and humidity rise. Spring nights can be rather cold, so don’t forget to pack a jacket.
Summer: lasts from late May to mid-September. It’s hot and humid. It’s best to wear cotton and a hat is mandatory for the days spent in the sunshine.
Autumn: lasts from late September to early December. Both temperature and humidity drop. The days are sunny and you can still wear short sleeves. Do bring a jacket if you want to spend the nights out.
Winter: lasts from mid-December to February. The humidity is low and the air is cold, but now lower than 10 C/ 50 F. Although generally warm, occasional cold days may spoil your vacation, so do bring appropriate jackets.