July in Waldshut-Tiengen is the sunniest and the warmest month of the year. In July, the weather in Waldshut-Tiengen is typically warm. Average daily high temperature in July is about 22 degrees above zero. On average, Waldshut-Tiengen has 16 rainy, 9 sunny, 5 partly cloudy, and 1 cloudy day in July. The rains are usually heavy.