Tiwi, Kenya offers 6 beaches perfect for sunbathing, surfing, swimming, and more. Tiwi, Coast, Kenya, is known for its beautiful Tiwi Beach and the nearby Shimba Hills National Reserve. The best time to travel to Tiwi, Kenya, is from June to September, with average air temperatures around 25-28°C (77-82°F) and water temperatures approximately 25-27°C (77-81°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!