Weather will likely play an important role when you plan your trip to Bouna, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually February and March, with an average temperature of 30°C, while the coldest months are January and August, with an average of 27°C. The rainiest months in Bouna are August, September, July and October, with each month seeing an average of 204 mm of rainfall.