March in Culebra is the coldest month of the year. In March, the weather in Culebra is typically warm. Average daily high temperature in March is about 26 degrees above zero. On average, Culebra has 20 sunny, 6 rainy, and 5 partly cloudy days in March. The rains are usually light. March as well as February and April is considered the most comfortable time to visit Culebra.