Weather is probably a major factor when you plan your trip to Port Gentil, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually March and April, with an average temperature of 27°C, while the coldest months are July and August, with an average of 24°C. The rainiest months in Port Gentil are November, December, October and January, with each month seeing an average of 373 mm of rainfall.