In March, the weather in Port Harcourt is typically hot. Average daily high temperature in March is about 32 degrees above zero. On average, Port Harcourt has 26 rainy, 2 sunny, 2 partly cloudy, and 1 cloudy day in March. The rains are usually heavy. March as well as February, April, May, and June is considered the most uncomfortable time to visit Port Harcourt.