Other facts from our historical weather data: Which is the warmest month in Itabuna? February has an average maximum temperature of 31°C (88°F) and is the warmest month of the year. Which is the coldest month in Itabuna? The coldest month is August with an average maximum temperature of 27°C (81°F). Which is the wettest month in Itabuna? November tops the wettest month list with 143mm (5.6 in) of rainfall. Which is the driest month in Itabuna? August is the driest month with 61mm (2.4 in) of precipitation. Which is the sunniest month in Itabuna? March is the sunniest month with an average of 235 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.