China is a huge country. It is vast , and the climate varies widely from region to region. China’s climate is greatly influenced by seasonal winds. It has clear temperature differences in winter and summer. In winter, north winds coming from high latitude 1 areas are cold and dry, and in summer, south winds from sea areas at lower longitudes are warm and wet. In addition, climates differ from region to region because of the country’s large land. In the southeast of the Nanling Mountains , rains are plenty and the temperature is high all year round. In the Yangtze River and Huaihe River valleys, there are four different seasons. In Northeast China, summer is short but there is much sunshine, while winter is long and cold. Rainfall is limited in Northwest China where it is cold in winter and hot in summer. In Southwest China of low latitudes, the land is high, and temperatures there change from a valley to a mountain peak .