The annual average temperature is 18.4℃, and the annual rainfall is about10/1.5mm. May ~ 10 is the rainy season, and the precipitation accounts for 8 1.7% of the whole year. The main flood season is from July to September, and the rainfall is relatively concentrated, accounting for 56,548. Annual sunshine hours 1069.9 hours, with an average frost-free period of about 350 days. The annual average wind speed is only 1.23m/s, mostly northwest wind and northeast wind. The static wind frequency is relatively high, reaching 34-53%, and the wind speed is small.