Tulun, Sierra Leone offers 1 beach perfect for sunbathing, surfing, swimming, and more. Tulun, Northern Province, Sierra Leone, is known for its proximity to the Outamba-Kilimi National Park. The best time to travel to Tulun, 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!