Visiting local bars in Gurupi 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 79°F. The rainiest months in Gurupi are March, January, December, and February, with each month seeing an average of 13 inches of rainfall.