July in Garmisch-Partenkirchen is the warmest month of the year. In July, the weather in Garmisch-Partenkirchen is typically warm. Average daily high temperature in July is about 19 degrees above zero. On average, Garmisch-Partenkirchen has 19 rainy, 11 sunny, and 1 partly cloudy day in July. The rains are usually heavy.