August in Kankan is the rainiest, the cloudiest, and the coldest month of the year. In August, the weather in Kankan is typically warm. Average daily high temperature in August is about 26 degrees above zero. On average, Kankan has 30 rainy and 1 sunny day in August. The rains are usually heavy. August as well as June, July, September, and October is considered the most uncomfortable time to visit Kankan.