Climate

Hong Kong has a sub-tropical climate, being temperate for nearly half the year, with cool, dry winters and hot, humid summers. Guilin tours from Hong Kong

Winter lasts from January to March with January and February more cloudy, with occasional cold fronts followed by dry northerly winds. It is not uncommon for temperatures to drop below 10 °C in urban areas. February is the coldest month in Hong Kong, when the temperature averages 16°C. March and April are very pleasant however, there are occasional spells of high humidity, fog and drizzle can be particularly troublesome. May to August are hot and humid with occasional showers and thunderstorms, and the highest temperatures often exceed 31°C. July to September are the months during which Hong Kong is most likely to be affected by tropical cyclones.

The annual rainfall ranges from around 1300 millimetres to more than 3000 millimetres. 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. Read more about Hong Kong Travel Guide

 

Hong Kong	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Rainfall (mm)	27	44	75	140	298	399	371	377	297	119	38	25
Rainfall (inches)	1.1	1.7	2.9	5.5	11.7	15.7	14.6	14.8	11.7	4.7	1.5	1.0
Min Temp (°C)	14	14	16	20	24	26	27	26	25	23	19	15
Max Temp (°C)	19	19	21	25	29	30	31	31	30	28	24	20
Min Temp (°F)	56	57	62	68	75	79	80	79	78	74	67	60
Max Temp (°F)	65	65	70	77	84	86	89	88	86	82	76	69

Table from: worldtravels.com

The Best Time to Travel

Hong Kong is an all-year-round destination. The most popular time to visit is from the middle of September to the end of February, when the weather is cooler. The Chinese New Year also takes place during this time. At its coolest (mid-December to February), the temperature may fall to 10oC (50oF); at its warmest (late May to mid-September), it averages 28oC (82oF) but may reach 33oC (91oF). There are usually many interesting celebrations and events as Christmas approaches,making the month of December a very popular time to visit. See list of Hong Kong Attractions

Spring (March to mid-May)
	Temperatures and humidity rise gradually in spring. Evenings can be cool but lightweight jackets should suffice. The average temperature ranges from 18oC-27oC (64oF-80oF), humidity about 82 per cent.
Summer (late May to mid-September)
Hot and humid with temperatures ranging from 26oC-33oC (78oF-91oF) and humidity near 86 per cent. Short sleeves and cotton clothes should be worn with a lightweight sweater for indoors as restaurants tend to set air-conditioning on high. An umbrella or hat is useful to ward off the sun.
Autumn (late September to early December)
	Clear and sunny days are the norm in autumn. Short sleeves and light jackets are most suitable at this time of year. The average temperature ranges from 18oC-28oC (64oF-82oF), humidity about 72 per cent.
Winter (mid-December to February)
Winters are mild with low humidity at 72 per cent. Though the temperature ranging from 14oC-20oC (57oF-68oF), the mercury can drop to 10oC (50oF). Occasional chills make woolens and overcoats necessary.