April in Chefchaouen is the windiest month of the year. In April, the weather in Chefchaouen is typically warm. Average daily high temperature in April is about 19 degrees above zero. On average, Chefchaouen has 11 rainy, 8 sunny, 8 partly cloudy, and 3 cloudy days in April. The rains are usually heavy. April as well as January, February, March, and December is considered the most uncomfortable time to visit Chefchaouen.