Located south of the Tropic of Cancer, it has a subtropical oceanic climate. The average annual temperature is 22.8°C and the average rainfall is 1,756.8 millimeters. Dongguan is a characteristic Pearl River Delta wetland, warm and rich in resources, and it is well know in the area for its rice, banana, lichee, longan, and aquatic produce.

Facing the South Sea, Dongguan has 150 square kilometers of sea area and 116 kilometers of coastline as well as 4 rivers, 5 lakes and 6 mountains.

Dongguan Water and Mountain System Map