In March, the weather in Castell-Platja d'Aro is typically warm. Average daily high temperature in March is about 14 degrees above zero. On average, Castell-Platja d'Aro has 15 sunny, 13 partly cloudy, and 3 rainy days in March. The rains are usually light. March as well as January, February, November, and December is considered the most uncomfortable time to visit Castell-Platja d'Aro.