China is a huge country covering 35 degrees of latitude, with a great variety of climates. It is generally warm and humid in southeastern and central China, but the west, the north and northeast are quite dry. Most of China has a summer rainy season and winter dry season. The best time for travelling are generally Spring(Apr/May)and Autumn(Sept/Oct)
Northern China, north of the Yangtze River has cold dry winters-particularly cold in northeast where temperatures remain well below freezing for months on end. Summer are warm or hot with variable humidity and some torrential rain .Being and Xian can be affected by sand blowing in from the Gobi desert in Spring.
In Central China summer are hot and humid with a lot of rain. In low lying regions around the Yangtze and along the coasts, winters are fairly mild but often damp
Most of Southern China has a sub-tropical climate, with long hot summer and short cool winters, there are spells of heavy rain in the summer, and typhoons can affect the coasts between July and September. Upland areas inland tend to get a lot of rain throughout the year and can be cold in winter. The exception is Yunnan, which has warmer, drier winters. Southern Yunnanand Hainan island have true tropical climates with year-round warmth.
In Western China, the Tibet-Qinghai plateau has moderately warm summers, while winters can get very cold; there is little rainfall throughout the year. Most of Xinjiang is arid and fiercely hot in summer (Turpan is hottest of all). Frigid in winter .Northern areas are less hot in summer.
