August in Ouahigouya is the rainiest and the cloudiest month of the year. In August, the weather in Ouahigouya is typically hot. Average daily high temperature in August is about 31 degrees above zero. On average, Ouahigouya has 19 rainy, 5 cloudy, 4 partly cloudy, and 3 sunny days in August. The rains are usually heavy. August as well as June, July, and September is considered the most uncomfortable time to visit Ouahigouya.