July in Pertisau is the warmest month of the year. In July, the weather in Pertisau is typically warm. Average daily high temperature in July is about 17 degrees above zero. On average, Pertisau has 20 rainy, 10 sunny, and 1 partly cloudy day in July. The rains are usually heavy. July as well as March, April, May, and June is considered the most uncomfortable time to visit Pertisau.