July in Huntsville is the warmest month of the year. In July, the weather in Huntsville is typically warm. Average daily high temperature in July is about 23 degrees above zero. On average, Huntsville has 14 sunny, 10 partly cloudy, and 7 rainy days in July. The rains are usually moderate. July as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Huntsville.