July in Bad Sooden-Allendorf is the rainiest and the warmest month of the year. In July, the weather in Bad Sooden-Allendorf is typically warm. Average daily high temperature in July is about 22 degrees above zero. On average, Bad Sooden-Allendorf has 15 rainy, 9 partly cloudy, 5 sunny, and 2 cloudy days in July. The rains are usually heavy.