Weather will likely play an important role when you plan your trip to Gualaquiza, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually October and November with an average temp of 55°F, while the coldest months are July and August with an average of 52°F. The rainiest months in Gualaquiza are April, March, February, and January, with each month seeing an average of 13 inches of rainfall.