July in Irapuato is the rainiest and the cloudiest month of the year. In July, the weather in Irapuato is typically warm. Average daily high temperature in July is about 23 degrees above zero. On average, Irapuato has 26 rainy, 4 sunny, and 1 partly 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 Irapuato.