Which of the following has the highest mean annual rainfall?

Freetown has the highest mean annual rainfall of the options given. Freetown is the capital city of Sierra Leone and is located on the coast of West Africa. The city experiences a tropical rainforest climate with high temperatures and abundant rainfall throughout the year. The rainy season in Freetown typically lasts from May to November, with the heaviest rainfall occurring between June and September. In contrast, the other cities listed - Accra, Lome, Lagos, and Enugu - are located further east along the coast of West Africa and experience a tropical savanna climate with distinct wet and dry seasons. While these cities do receive some rainfall throughout the year, their mean annual rainfall is lower than that of Freetown. Therefore, Freetown has the highest mean annual rainfall of the options given.