April in South Tarawa is the rainiest month of the year. In April, the weather in South Tarawa is typically hot. Average daily high temperature in April is about 28 degrees above zero. On average, South Tarawa has 22 rainy, 7 sunny, and 1 cloudy day in April. The rains are usually heavy. April as well as March, May, June, and July is considered the most uncomfortable time to visit South Tarawa.