Jiangmen Municipality’s land area accounts for 5.32% of Guangdong Province and about one quarter of the total area of the Pearl River Delta.
It is located in the subtropical zone with a mild climate and abundant rainfall. Its average annual temperature ranges between 22.2 and 22.9 degrees Celsius and its annual rainfall averages 2055 mm. It has about 1700 hours of sunshine annually and its frost-free period lasts more than 360 days.
On its territory there are 26 rivers whose drainage area is over 100 km2, among which the Xijiang River (West River) and the Tanjiang River rank in the forefront in the province in terms of runoff. It tops all the prefectural-level cities in Guangdong in terms of the length of coastline (420km) and ranks second in the number of islands (561). Its total timber reserves stand at 19,905,000 cubic meters, its forestry area at 421500 hectares, its forest coverage rate at 44.79%, and its per capita green area at 17.6 square meters.