What is the annual average wind speed in Du 'an County, Hechi City, Guangxi Province?

2.0 meters per second. According to the weather network, the average annual wind speed in Du 'an County, Hechi City, Guangxi is 2.0 meters per second. The annual average wind speed refers to the average instantaneous wind speed in a given time. The airflow produced by air movement is called wind, which is a three-dimensional vector superimposed on large-scale regular airflow by many small-scale pulsations that change randomly in time and space.