March in Port-Gentil is the cloudiest month of the year. In March, the weather in Port-Gentil is typically hot. Average daily high temperature in March is about 28 degrees above zero. On average, Port-Gentil has 28 rainy and 3 cloudy days in March. The rains are usually heavy. March as well as January, February, April, and May is considered the most uncomfortable time to visit Port-Gentil.