Other facts from our historical weather data: Which months have the greatest rainfall in Bobo-Dioulasso? Most rainfall (rainy season) is seen in July, August and September. Does Bobo-Dioulasso have a dry season? Yes, the months of January, February, March, November and December are very dry. Which is the hottest month in Bobo-Dioulasso? March has an average maximum temperature of 39°C (102°F) and is the hottest month of the year. Which is the coolest month in Bobo-Dioulasso? The coolest month is January with an average maximum temperature of 30°C (86°F). Which is the wettest month in Bobo-Dioulasso? August tops the wettest month list with 255mm (10 in) of rainfall. Which is the driest month in Bobo-Dioulasso? December is the driest month with 0mm (0 in) of precipitation. Which is the sunniest month in Bobo-Dioulasso? January is the sunniest month with an average of 284 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.