Guangdong faces the South China Sea to the south and has a total of 4,300 km of coastline. Leizhou Peninsula is on the southwestern end of the province. There are a few inactive volcanoes on Leizhou Peninsula. The Pearl River Delta is the convergent point of three upstream rivers: the East River, North River, and West River.
Guangdong borders Fujian province to the northeast, Jiangxi and Hunan provinces to the north, Guangxi autonomous region to the west, and Hong Kong and Macau Special Administrative Regions to the south. Hainan province is offshore across from the Leizhou Peninsula.
Guangzhou is located in China’s subtropical area with an all-year pleasant climate. Guangzhou’s spring is humid and rainy; summer is a little hot with occasional typhoons. Temperature in autumn is very moderate, cool and windy. The good weather of autumn often lasts to November and December; the period from October to December is the best travel time. Winter is a little chilly but short. Sweaters are sufficient.
Guangdong has a humid subtropical climate (tropical in the far south), with short, mild, dry, winters and long, hot, wet summers. Average daily highs in Guangzhou in January and July are 18 °C (64 °F) and 33 °C (91 °F) respectively, although the humidity makes it feel much hotter in summer. Frost is rare on the coast but may happen a few days each winter well inland.
Guangzhou is located at 112°57’E to 114°3’E and 22°26’N to 23°56’N. The city is part of the Pearl River Delta. Guangzhou has a humid subtropical climate influenced by the Asian monsoon. Summers are wet with high temperatures, high humidity and a high heat index. Winters are mild, dry and sunny. Average high temperature is 17-32°C and average low is 10-25°C.
Shenzhen is situated in the subtropical part of China, located at about the Tropic of Cancer. The weather is generally temperate and mild in the autumn; winters are mild as the South China Sea buffers its climate, so cold snaps are not common. In the spring Shenzhen is relatively dry, and then it has a hot and wet summer, occasionally hit by typhoons from the east, but the temperature rarely reaches over 35 degrees Celsius. Average high temperature is 20-32°C and average low is 13-26°C.