23° 08′ North, 113° 17′ East
Guangzhou is part of the Pearl River Delta and the city centre is situated next to the Baiyun Mountain, which is locally referred to as “the lung of the city”.The total area under the city’s administration is 7,434.4 square kilometres.
The elevation of the prefecture generally increases from southwest to northeast, with mountains forming the backbone of the city, and the ocean comprising the front. Tiantang Peak (meaning Peak of Paradise in Chinese), which stands 1,210 m (3,970 ft) above sea level, is the highest mountain in Guangzhou.
Located just south of the Tropic of Cancer, Guangzhou has a humid subtropical climate influenced by the East Asian monsoon. Summers are wet with high temperatures, high humidity, and a high heat index. Winters are mild and comparatively dry. Guangzhou has a lengthy monsoon season, spanning from April through September. Monthly averages range from 13.6 °C (56.5 °F) in January to 28.6 °C (83.5 °F) in July, while the annual mean is 22.6 °C (72.7 °F),the relative humidity is approximately 68 percent, whereas annual rainfall in the metropolitan area is over 1,700 mm (67 in). With monthly percent possible sunshine ranging from 17 percent in March and April to 52 percent in November, the city receives 1,628 hours of bright sunshine annually, considerably less than nearby Shenzhen and Hong Kong. Extreme temperatures have ranged from 0 °C (32 °F) to 39.1 °C (102 °F).The last recorded snowfall in the city was in January 1893.