When you're traveling with pets, keeping track of the weather can help you make the trip more safe and fun for everyone. The hottest months are usually September and August with an average temp of 85°F, while the coldest months are July and June with an average of 79°F. The rainiest months in Paraiso Do Tocantins are January, March, December, and February, with each month seeing an average of 12 inches of rainfall.