Qingdao has a temperate, four-season, monsoon-influenced climate that falls on the borderline between humid subtropical (Köppen Cwa) and humid continental (Köppen Dwa). Winter is cool to cold and windy, but generally dry, with a January average of −0.5 °C (31.1 °F). Summer is generally hot and humid, but very hot days are rare, with an August average of 25.3 °C (77.5 °F). Due to its proximity to the coast and being on a peninsula, it experiences a one-month delayed spring compared to most inland areas of China. Conversely, autumn is milder than inland areas in Shandong. The water temperature peaks at about 25 °C (77 °F) in late August, with swimming possible two months on either side. The annual mean temperature is 12.6 °C (54.7 °F).
By the end of 2006, Qingdao was estimated to be the home of about 8 million inhabitants, of which around 3 million reside in the Qingdao urban area. Another estimated 5 million live in other cities under Qingdao's jurisdiction. The annual birth rate is calculated around 76,507, with a birth rate of 10.15 per year per thousand, and a death rate of 6.32, both calculated on an annual basis. Living standards are among highest of leading Chinese cities due to the strong export economy and relatively high family wages.
Qingdao is home to 38 Chinese ethnic minorities, which account for 0.14% of the city's total population. Bosch 1617EVSPK
There is a large Korean community in Qingdao. By 2009, there are approximately 100,000 Koreans working, studying and living in Qingdao, which makes Qingdao the second in terms of Korean population in China, following Beijing which has about 200,000 Koreans
An important region in Eastern China, Shandong Province has seen substantial change in its economic landscape in recent years. Much of this development has been concentrated in Qingdao.
Qingdao has seen rapid development. With an annual growth rate of 18.9 percent in 2006, the city's GDP reached 42.3 billion, ranking first in Shandong Province and tenth out of China's top 20 cities.GDP per capita comprised RMB¥52,895 (US$7,616) in 2008. The GDP has grown steadily at an average pace of 16% annually. In 2006, Qingdao was ranked one of six "golden cities" by the World Bank, out of 120 Chinese cities assessed on factors including investment climate and government effectiveness.