In March, the weather in Haapsalu is typically cold. Average daily high temperature in March is about 2 degrees above zero. On average, Haapsalu has 13 cloudy, 8 rainy, 5 sunny, 4 partly cloudy, and 1 snowy day in March. The rains are usually light. March as well as October, November, and December is considered the most uncomfortable time to visit Haapsalu.