Climate of Hong Kong
Hong Kong has a sub-tropical climate, is an all-year-round destination. She can be a little chilly in the winter (10C) and hot and humid in the summer. The best times of year to visit are thus late spring (March-April), when the average temperature is around 25C and autumn between (September-December). Christmas in Hong Kong can be a delight with a fair chance of mild sunny weather that will appeal to those used to northern climates. Hotels experience peak occupancy in the months of April and October.
Typhoons usually occur between June and September and can bring a halt to local business activities for a day or less. The weather in winter is usually caused by the winter monsoon which brings dry cold winds from the north. In winter the air can be cold but the sun can still burn. Expect winter temperatures to rise to 20C on sunny days and fall to under 10C at night. Chinese New Year is notorious for cold wet weather and, since many businesses close and non-Chinese tourists will not see Hong Kong at its best. Should you find yourself in Hong Kong at Chinese New Year, you can make the best of the weather by going hiking if it is dry.
Spring - March to mid-May
Temperature and humidity rising. Spring evenings can be cool so a lightwright jacket should suffice. Temperatures range from 18C to 27C, humidity about 82 per cent.
Summer - Late May to mid-September
Hot and humid. Temperatures range from 26C to 33C, humidity near 86 per cent. Short sleeves and cottron are best, with a lightweight sweater for air-conditioned restaurants. An umbrella or hat can ward off the intense sunshine.
Autumn - Late September to early December
Temperature and humidity drop. Clear sunny days. Short sleeves and light jackets fine. Temperatures range from 18C to 28C, humidity 72 per cent.
Winter - Mid-December to February
Cool with low humidity. Temperature can drop to 10C. Occasional chills make woolens and overcoats worth bringing. Temperatures range from 14C to 20C, humidity 72 per cent.
Hong Kong Observatory provides offical weather informations.
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