In April, the weather in Villingen-Schwenningen is typically warm. Average daily high temperature in April is about 11 degrees above zero. On average, Villingen-Schwenningen has 20 rainy, 6 sunny, 2 cloudy, and 2 partly cloudy days in April. The rains are usually heavy. April as well as January, February, March, and May is considered the most uncomfortable time to visit Villingen-Schwenningen.