April in Cagnes-sur-Mer is the cloudiest month of the year. In April, the weather in Cagnes-sur-Mer is typically warm. Average daily high temperature in April is about 15 degrees above zero. On average, Cagnes-sur-Mer has 13 rainy, 9 sunny, and 8 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 Cagnes-sur-Mer.