Weather will likely play an important role when you plan your trip to Lambarene, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually March and February with an average temp of 79°F, while the coldest months are July and August with an average of 77°F. The rainiest months in Lambarene are November, October, December, and March, with each month seeing an average of 14 inches of rainfall.