If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Aracati: The hottest months are usually September and October with an average temp of 81°F, while the coldest months are July and August with an average of 80°F. The rainiest months in Aracati are March, April, February, and May, with each month seeing an average of 7 inches of rainfall.