In March, the weather in Turku is typically cold. Average daily high temperature in March is about 2 degrees above zero. On average, Turku has 9 sunny, 9 cloudy, 9 partly cloudy, 2 rainy, and 2 snowy days in March. The rains are usually light. March as well as April, October, November, and December is considered the most uncomfortable time to visit Turku.