March in Santiago de Cuba is the windiest month of the year. In March, the weather in Santiago de Cuba is typically warm. Average daily high temperature in March is about 27 degrees above zero. On average, Santiago de Cuba has 24 sunny, 5 partly cloudy, and 2 rainy days in March. The rains are usually light. March as well as January, February, and December is considered the most comfortable time to visit Santiago de Cuba.