March in South Tarawa is the coldest month of the year. In March, the weather in South Tarawa is typically hot. Average daily high temperature in March is about 28 degrees above zero. On average, South Tarawa has 20 rainy, 9 sunny, 1 cloudy, and 1 partly cloudy day in March. The rains are usually heavy. March as well as April, May, June, and July is considered the most uncomfortable time to visit South Tarawa.