Other facts from our historical weather data: Which months have the greatest rainfall in Bousso? Most rainfall (rainy season) is seen in July, August and September. Does Bousso have a dry season? Yes, the months of January, February, March, April, November and December are very dry. Which is the hottest month in Bousso? March has an average maximum temperature of 42°C (108°F) and is the hottest month of the year. Which is the coolest month in Bousso? The coolest month is January with an average maximum temperature of 31°C (88°F). Which is the wettest month in Bousso? August tops the wettest month list with 230mm (9.1 in) of rainfall. Which is the driest month in Bousso? January is the driest month with 0mm (0 in) of precipitation. Which is the sunniest month in Bousso? January is the sunniest month with an average of 296 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.