Hong Kong has a monsoon-influenced subtropical climate. It is mild for more than half the year. There are mild, relatively dry winters, and hot, humid, and wet summers.
The best time to visit Hong Kong is from October to early December when the weather is sunny, cool, and pleasant.
Rain: The annual rainfall ranges from less than 1,000 millimetres (51 inches) to more than 3,000 millimetres (118 inches); with an annual average of 2,383 millimetres (94 inches). About 80 per cent of the annual precipitation falls between May and September.
The wettest month is August when rain falls about four days out of seven. The average August rainfall is 445 millimetres (18 inches).
The driest month is January when the average is only 25 millimetres (1 inch). Rain falls only about six days during the entire month.
Temperatures: Hong Kong is a mountainous area. The temperatures are a little lower, and the rainfall is greater in the mountains compared to the low-lying city areas. Bear this in mind if you go walking on the hills. At the coolest times of the year from mid-December to February, the temperature may fall to 10 °C (50 °F). In the warmest times (late May to mid-September), it averages 28 °C (82 °F). However, it may reach 33 °C (91 °F).
Severe Weather: From May to October, there are occasional typhoons and violent thunderstorms. When typhoons approach, warnings are broadcast on TV and radio.
Average Temperatures and Rainfall
|19°C 66°F||18°C 64°F||21°C 70°F||25°C 77°F||28°C 82°F||30°C 86°F|
|25mm 1 in||45mm 2 in||73mm 3 in||153 mm 6 in||301 mm 12 in||367 mm 15 in|
|31°C 88°F||31°C 88°F||30°C 86°F||28°C 82°F||25°C 77°F||20°C 66°F|
|346 mm 14 in||380 mm 15 in||277 mm 11 in||120 mm 4.7 in||34 mm 1.4 in||27 mm 1 in|