What are the characteristics of the temperature in Hunan and what are the main crops?

Hunan is mild in winter and hot in summer. The main crops are rice, rape, pepper, camellia, citrus and so on.

Hunan belongs to continental subtropical monsoon humid climate, which has three characteristics: First, light, heat and water resources are abundant, and their high values are basically synchronous. Second, the climate changes greatly in a year. It is hot in Leng Xia in winter, changeable in spring, sudden drop in autumn, rainy in spring and summer, and drought in autumn and winter. The climate changes greatly from year to year. Third, the most obvious vertical climate change zone is the mountainous area surrounded by mountains on three sides. Especially in the mountainous area of southern Hunan. The annual sunshine hours in Hunan are 1300- 1800 hours, and Hunan is rich in heat. The annual temperature is relatively high, and the annual average temperature is between 15- 18℃. In winter, Hunan is controlled by the winter wind, but it is surrounded by mountains in the southeast and open to the north, which is conducive to the long-term drive away of cold air. Therefore, the average temperature in 1 month is between 4-7℃, the frost-free period in Hunan is 260-3 10 days, and it is 280-300 days in most areas.

The average annual precipitation is between1200-1700mm, which is abundant, and it is one of the provinces with more rainfall in China.