March in Mostar is the windiest month of the year. In March, the weather in Mostar is typically cold. Average daily high temperature in March is about 8 degrees above zero. On average, Mostar has 14 rainy, 9 sunny, 7 partly cloudy, and 1 cloudy day in March. The rains are usually heavy. March as well as January, February, April, and November is considered the most uncomfortable time to visit Mostar.