April in Gendergen is the windiest month of the year. In April, the weather in Gendergen is typically warm. Average daily high temperature in April is about 11 degrees above zero. On average, Gendergen has 14 rainy, 6 sunny, 6 partly cloudy, and 4 cloudy days in April. The rains are usually heavy. April as well as February, March, May, and December is considered the most uncomfortable time to visit Gendergen.