Weather is probably a major factor when you plan your trip to Comitan de Dominguez, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually April and May with an average temp of 69°F, while the coldest months are January and December with an average of 65°F. The rainiest months in Comitan de Dominguez are June, September, August, and October, with each month seeing an average of 11 inches of rainfall.