August in Tombouctou is the cloudiest month of the year. In August, the weather in Tombouctou is typically hot. Average daily high temperature in August is about 38 degrees above zero. On average, Tombouctou has 19 partly cloudy, 11 sunny, and 1 cloudy day in August. August as well as April, May, June, and July is considered the most uncomfortable time to visit Tombouctou.