July in Vail is the rainiest and the cloudiest month of the year. In July, the weather in Vail is typically hot. Average daily high temperature in July is about 31 degrees above zero. On average, Vail has 10 partly cloudy, 9 rainy, 7 sunny, and 5 cloudy days in July. The rains are usually heavy. July as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most uncomfortable time to visit Vail.