Hong Kong is such a comfortable city with pleasant sub-tropical climate that it can be temperate for almost half of the year; even during November and December there can be a pleasant breeze, some sunshine and comfortable temperatures. Many people regard these two months as the best time to visit Hong Kong, however, Hong Kong weather is famous for its unpredictability, and rain can turn to shine in a matter of seconds. The city also hosts some of the world's more extreme weather. In no particular order, Hong Kong weather warnings can be issued for; black rain, direct-hit typhoons, extreme heat, thunderstorms and landslides, but don't be put off, as the city is also blessed with plenty of sunshine for most of the year.
Hong Kong Weather By Season
In Spring : Spring brings warmer and more humid weather. There is a sharp increase in rainfall around April.
In Summer: Summer weather is hot, humid and unstable. Thunderstorms and brief showers are common, interspersed with sunny conditions.
In Autumn : Autumn is generally considered as the most pleasant season. Temperatures are still high (20-27°C) while humidity and rainfall are considerably lower.
In winter: the weather is generally cool by local standards, with temperatures hovering between 15°C and 20°C.
The mean annual rainfall ranges from around 1300 millimetres at Waglan Island to more than 3000 millimetres in the vicinity of Tai Mo Shan. About 80 percent of the rain falls between May and September. The wettest month is August, when rain occurs about four days out of seven and the average monthly rainfall at the Observatory is 391.4 millimetres. The driest month is January, when the monthly average is only 23.4 millimetres and rain falls only about six days a month.
Severe weather phenomena that can affect Hong Kong include tropical cyclones, strong winter monsoon winds, and thunderstorms with associated squalls that are most frequent from April to September. Waterspouts and hailstorms occur infrequently, while snow and typhoons are rare.
Climate Data Table for Hong Kong
Days of rainfall
Best time to visit Hong Kong
The peak travel season is from September through to Christmas time. June through to September can be very hot months, and September through to January can be an ideal to time to consider visiting. Hong Kong rainfall is probably the most important consideration when planning what clothes to pack before travelling to Hong Kong, though remember, it IS the ultimate shopping city, and umbrellas are cheap.