August in Koutiala is the rainiest, the cloudiest, and the coldest month of the year. In August, the weather in Koutiala is typically hot. Average daily high temperature in August is about 30 degrees above zero. On average, Koutiala has 29 rainy, 1 sunny, and 1 cloudy day in August. The rains are usually heavy. August as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most uncomfortable time to visit Koutiala.