March weather forecast in Wailuku

March in Wailuku is the rainiest and the coldest month of the year. In March, the weather in Wailuku is typically warm. Average daily high temperature in March is about 23 degrees above zero. On average, Wailuku has 13 sunny, 13 partly cloudy, 4 rainy, and 1 cloudy day in March. The rains are usually light.