what's the weather in china

What's the weather like in China and what is the best season to visit China?
China is a vast country with different climates,but generally speaking,spring is from April to June,summer from June to September,fall from September to October,while winter is from October to March,and usually it is colder and drier in the north in winter,and hotter and more humid in the south in summer.
May,September and October are the best months for you to travel to China when the weather is the most pleasant all over China.