Who is hotter than the weather in Hunan?

Judging from the summer, it must be the hot weather in Hunan; From the perspective of the whole year, the temperature in Hainan is high.

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 most areas are between 280-300 days. The annual average precipitation is between 1200- 1700 mm, which is abundant and is one of the provinces with more rainfall in China.

Hainan Island is located in the northern edge of the tropics and belongs to the tropical monsoon climate. It has always been known as a "natural greenhouse". Summer is long without winter, the annual average temperature is 22~27℃, and the accumulated temperature greater than or equal to 10℃ is 8200℃. The coldest temperature in January still reaches 17 ~ 24℃, and the annual illumination is 1750. Hainan Island is an ideal breeding base in South China because of its early spring, rapid temperature rise, large daily temperature difference, frost-free all year round and warm winter.

Hainan province has abundant rainfall, with annual precipitation1000 mm-2,600 mm and average annual precipitation 1639mm, with obvious rainy season and less rainy season. May ~ 10 is the rainy season every year, and the total precipitation is about 1500mm, accounting for 70 ~ 90% of the total annual precipitation. The main rain sources are frontal rain, thermal thunderstorm and typhoon rain. The rainy season is 1 1 until April of the following year, accounting for only 10 of the annual precipitation.