Xiamen enjoys subtropical oceanic climate. In most time of the year, it has warm and rainy weather without extreme heat in summer nor extreme cold in winter. The annual temperature averages 21℃ and the rainfall averages 1,100 millimeters a year with northeast wind prevails all year round. Affected by the abrupt changes of temperature and the air currents from the Pacific Ocean, Typhoon attacks Xiamen five to six times a year, occurring mostly between July and September.