In May, the weather in Bad Saulgau is typically warm. Average daily high temperature in May is about 16 degrees above zero. On average, Bad Saulgau has 20 rainy, 7 sunny, 3 partly cloudy, and 1 cloudy day in May. The rains are usually heavy. May as well as January, February, March, and April is considered the most uncomfortable time to visit Bad Saulgau.