March in Phan Thiet is the windiest and the sunniest month of the year. In March, the weather in Phan Thiet is typically hot. Average daily high temperature in March is about 31 degrees above zero. On average, Phan Thiet has 18 partly cloudy, 12 sunny, and 1 rainy day in March. The rains are usually light. March as well as January, February, and December is considered the most comfortable time to visit Phan Thiet.