Visiting local bars in Conceicao do Araguaia is better when you know what the weather holds. These rainfall averages and temperatures can help you choose the best time for bar hopping. The hottest months are usually September and August with an average temp of 84°F, while the coldest months are July and June with an average of 80°F. The rainiest months in Conceicao do Araguaia are March, January, February, and December, with each month seeing an average of 12 inches of rainfall.