Climate
China has a wide range of climates because it is such a large country and has such a variety of natural features. The most severe climatic conditions occur in the these deserts may exceed 100 F in summer, but nighttime lows may fall to-30 F in winter. Tibet and Deilongjiang province in northeastern China have long, bitterly cold winters. In contrast, coastal areas of southeastern China have a tropical climate. China's diverse climate comprises four distinct seasons, as well as tropical rain forests, deserts, cold waves, cyclones, and spring showers. China's climate is influenced by strong monsoons that cause a northwestern wind in winter and a southwestern wind in summer. Because of periodic changes in the monsoons and the influences of terrain, China's diverse climate comprises four distinct seasons, as well as tropical rain forests, deserts, cold waves, cyclones, and spring showers. The monsoons cause rainfall and temperatures to fluctuate greatly from region to region. China's temperatures range from tropical to temperate to frigid. China's highest monthly mean temperature is in July; its lowest monthly mean temperature is in January. China’s climate is very diverse; from its sub-arctic north to the tropics in the southern-most areas. These extremes can be divided into seven zones. The Spring and autumn are by far the most comfortable times of the year. The climate from April to June and in September and October is warm and pleasant, with clear skies and relatively little rain. The winter(December-March) is cold, dry, and windy.