August in Nidda is the sunniest month of the year. In August, the weather in Nidda is typically warm. Average daily high temperature in August is about 22 degrees above zero. On average, Nidda has 13 sunny, 10 partly cloudy, and 8 rainy days in August. The rains are usually light. August as well as September is considered the most comfortable time to visit Nidda.