July in Kasperske Hory is the warmest month of the year. In July, the weather in Kasperske Hory is typically warm. Average daily high temperature in July is about 22 degrees above zero. On average, Kasperske Hory has 17 rainy, 8 partly cloudy, and 6 sunny days in July. The rains are usually heavy. July as well as January, February, March, and April is considered the most uncomfortable time to visit Kasperske Hory.