July in San Francisco de Campeche is the hottest month of the year. In July, the weather in San Francisco de Campeche is typically hot. Average daily high temperature in July is about 30 degrees above zero. On average, San Francisco de Campeche has 13 rainy, 10 partly cloudy, 6 sunny, and 2 cloudy days in July. The rains are usually moderate. July as well as June, August, and September is considered the most uncomfortable time to visit San Francisco de Campeche.