You'll likely spend much of your trip indoors, but if you're planning to venture beyond the casino, looking at local weather trends is a good idea. The hottest months are usually October and November 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 Fortaleza are April, March, May, and February, with each month seeing an average of 8 inches of rainfall.