Sussex, Sierra Leone offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Sussex, Western Area, Sierra Leone, is known for its beautiful Lumley Beach and the Tacugama Chimpanzee Sanctuary. The best time to travel to Sussex, Sierra Leone, is from November to April, with average air temperatures around 27°C (81°F) and water temperatures near 28°C (82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!