August in Banfora is the rainiest, the cloudiest, and the coldest month of the year. In August, the weather in Banfora is typically warm. Average daily high temperature in August is about 27 degrees above zero. On average, Banfora has 29 rainy and 2 sunny days in August. The rains are usually heavy. August as well as July and September is considered the most uncomfortable time to visit Banfora.