Other facts from our historical weather data: Which is the warmest month in Baixio? March has an average maximum temperature of 30°C (86°F) and is the warmest month of the year. Which is the coldest month in Baixio? The coldest month is August with an average maximum temperature of 27°C (81°F). Which is the wettest month in Baixio? May tops the wettest month list with 162mm (6.4 in) of rainfall. Which is the driest month in Baixio? December is the driest month with 46mm (1.8 in) of precipitation. 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.