Burkina Faso has a primarily tropical climate with two very distinct seasons. In the rainy season, the country receives between 600 and 900 mm (23.6 and 35.4 in) of rainfall; in the dry season, the harmattan – a hot dry wind from the Sahara – blows.
Two key elements for the culture of Burkina Faso (a country once known as Upper Volta) are its indigenous masks and dancing. The masks used in this region of the western Sahel are made for rites of sacrifice to gods and animal spirits in the villages. Native dance, on the other hand, is employed to demonstrate the villagers’ desire for blessings by the spirits.
The population of Burkina Faso grows at a rate of 2.997% every year according to the 2007 estimates of CIA. According to the same source, the population of Burkina Faso is 14,326,203 in 2007.