March weather forecast in Swansea

In March, the weather in Swansea is typically cold. Average daily high temperature in March is about 9 degrees above zero. On average, Swansea has 12 rainy, 7 cloudy, 6 sunny, and 6 partly cloudy days in March. The rains are usually moderate. March as well as January, February, May, and August is considered the most uncomfortable time to visit Swansea.