July in San Pedro Sula is the rainiest month of the year. In July, the weather in San Pedro Sula is typically hot. Average daily high temperature in July is about 29 degrees above zero. On average, San Pedro Sula has 29 rainy and 2 sunny days in July. The rains are usually heavy. July as well as May, June, August, and September is considered the most uncomfortable time to visit San Pedro Sula.