Koutiala experiences a hot and dry climate year-round. During the months of April to May, temperatures soar above 35°C with little rainfall. The rainy season brings moderate temperatures, ranging from 25°C to 30°C, from June to September. As the rains subside in October, temperatures rise again, often reaching 32-33°C by November and December. The hottest period is typically between January and March, where temperatures consistently hover around 31-32°C.