April in Port-Gentil is the hottest month of the year. In April, the weather in Port-Gentil is typically hot. Average daily high temperature in April is about 28 degrees above zero. On average, Port-Gentil has 21 rainy, 8 cloudy, and 1 sunny day in April. The rains are usually heavy. April as well as January, February, March, and May is considered the most uncomfortable time to visit Port-Gentil.