Other facts from our historical weather data: Which is the hottest month in Timbuktu? May has an average maximum temperature of 43°C (109°F) and is the hottest month of the year. Which is the coolest month in Timbuktu? The coolest month is January with an average maximum temperature of 29°C (84°F). Which is the wettest month in Timbuktu? August tops the wettest month list with 51mm (2 in) of rainfall. Which is the driest month in Timbuktu? December is the driest month with 0mm (0 in) of precipitation. Which is the sunniest month in Timbuktu? May is the sunniest month with an average of 275 hours of sunshine. No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.