It is necessary to elaborate on the climate and geographical location of Wuhan.

Wuhan is located in the east of Jianghan Plain, east longitude113411505', north latitude 29 58'-3122'. Wuhan has a subtropical monsoon humid climate with abundant rainfall and sunshine. The average annual temperature is 15.8℃- 17.5℃. In a year, the average temperature is the lowest, at 65438 0.4℃. The highest average temperature in July and August is 28.7℃. Summer is as long as 135 days. Because Wuhan is located at 30 degrees north latitude, the height of the sun can reach 83 degrees at noon in summer, and it is located inland and far from the ocean. The terrain is like a basin, which is easy to collect heat and difficult to dissipate heat. There are many rivers and lakes, and there is much water vapor at night. Coupled with the urban heat island effect and the control of subtropical high in summer, it is very stuffy. It is one of the three largest stoves in China, with a general temperature of 37 degrees in summer and an extreme maximum temperature of 39.3 degrees. The rainy season in early summer is concentrated, with annual precipitation of 1 100 mm, Wuhan active accumulated temperature of 5 150℃, annual frost-free period of 240 days and total sunshine hours of 2000 hours.