March in Sinaia is the windiest month of the year. In March, the weather in Sinaia is typically cold. Average daily high temperature in March is about 5 degrees above zero. On average, Sinaia has 18 rainy, 6 sunny, 4 cloudy, and 3 partly cloudy days in March. The rains are usually moderate. March as well as February, April, May, and June is considered the most uncomfortable time to visit Sinaia.