Visiting local bars in Port Gentil is more fun in good weather. These rainfall averages and temperatures can help you decide the best time for bar hopping. The hottest months are usually March and April with an average temp of 81°F, while the coldest months are July and August with an average of 76°F. The rainiest months in Port Gentil are November, December, October, and January, with each month seeing an average of 15 inches of rainfall.