April in Beaulieu-sur-Mer is the rainiest and the cloudiest month of the year. In April, the weather in Beaulieu-sur-Mer is typically warm. Average daily high temperature in April is about 15 degrees above zero. On average, Beaulieu-sur-Mer has 12 rainy, 9 partly cloudy, 8 sunny, and 1 cloudy day in April. The rains are usually heavy. April as well as January, February, March, and November is considered the most uncomfortable time to visit Beaulieu-sur-Mer.