March in Tsushima is the windiest month of the year. In March, the weather in Tsushima is typically warm. Average daily high temperature in March is about 11 degrees above zero. On average, Tsushima has 12 sunny, 9 rainy, 9 partly cloudy, and 1 cloudy day in March. The rains are usually heavy. March as well as January, February, June, and July is considered the most uncomfortable time to visit Tsushima.