March in Olomouc is the windiest month of the year. In March, the weather in Olomouc is typically cold. Average daily high temperature in March is about 7 degrees above zero. On average, Olomouc has 12 partly cloudy, 9 sunny, 5 rainy, and 5 cloudy days in March. The rains are usually light. March as well as January, February, November, and December is considered the most uncomfortable time to visit Olomouc.