March in Apia is the hottest month of the year. In March, the weather in Apia is typically hot. Average daily high temperature in March is about 28 degrees above zero. On average, Apia has 21 rainy, 7 sunny, 2 partly cloudy, and 1 cloudy day in March. The rains are usually heavy. March as well as January, February, April, and November is considered the most uncomfortable time to visit Apia.