In July, the weather in San Francisco de Campeche is typically hot. Average daily high temperature in July is about 32 degrees above zero. On average, San Francisco de Campeche has 19 rainy, 6 partly cloudy, 5 sunny, and 1 cloudy day in July. The rains are usually heavy. July as well as June, August, and September is considered the most uncomfortable time to visit San Francisco de Campeche.