Weather will likely play an important role when you plan your trip to Aracati, and keep in mind that cheaper options are usually available when the weather isn't as good. 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.