March in Pinar del Rio is the windiest and the sunniest month of the year. In March, the weather in Pinar del Rio is typically warm. Average daily high temperature in March is about 27 degrees above zero. On average, Pinar del Rio has 26 sunny, 3 rainy, and 2 partly cloudy days in March. The rains are usually light. March as well as January, February, and December is considered the most comfortable time to visit Pinar del Rio.