In May, the weather in Rothenburg ob der Tauber is typically warm. Average daily high temperature in May is about 17 degrees above zero. On average, Rothenburg ob der Tauber has 20 rainy, 8 sunny, and 3 partly cloudy days in May. The rains are usually heavy. May as well as January, February, March, and April is considered the most uncomfortable time to visit Rothenburg ob der Tauber.