Visiting local bars in Itacoatiara is more fun when you know what the weather holds. These temperatures and rainfall averages can help you choose the best time for bar-hopping. The hottest months are usually September and October, with an average temperature of 29°C, while the coldest months are June and January, with an average of 26°C. The rainiest months in Itacoatiara are March, April, February and January, with each month seeing an average of 386 mm of rainfall.