Yueyang Climate


Yueyang City is located in the East Asian monsoon climate zone, with a transitional nature from subtropical to subtropical in the climate zone, belonging to a humid continental monsoon climate. Its main features are warm and humid, distinct four seasons, and strong seasonality; Rich in heat, short severe cold period, long frost free period, variable spring temperature, and scorching summer heat; Abundant rainfall, obvious rainy season, and concentrated precipitation; The prevailing "lake land breeze" and the bright "autumn moon" in Dongting Lake; The climate in the lake area is uniform, while the climate in the mountains varies greatly. The annual average precipitation ranges from 1304.4 to 1582.5 millimeters, showing a pattern of more in spring and summer, less in autumn and winter, more in the east and less in the west. Spring and summer rainfall accounts for 69% to 71% of the annual total, and the interannual distribution of rainfall is uneven, with a maximum of 2352.7 millimeters and only 750.0 millimeters in years with less rainfall. The annual average temperature ranges from 16.8 to 17.5 ℃, with an extreme maximum temperature of 39.3 to 41.5 ℃ and an extreme minimum temperature of -18.1 to -11.8 ℃. The annual sunshine hours range from 1562.6 to 1690.6 hours, with a sunshine percentage of 35-38%, showing a pattern of more sunshine hours in the central and western regions than in the eastern region, making it one of the areas with the highest sunshine hours in Hunan Province. The annual frost free period is 260-296 days. The dominant wind direction in the city is north wind and northeast northeast wind, with an annual average wind speed of 1.3-2.7 meters per second. During the growing season, there is sufficient sunlight and hot water, and the agricultural climate conditions are good.