July in Houma is the rainiest and the cloudiest month of the year. In July, the weather in Houma is typically hot. Average daily high temperature in July is about 31 degrees above zero. On average, Houma has 23 rainy, 4 partly cloudy, 3 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 Houma.