Diani Beach, Kenya offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Diani Beach is known for its stunning white sandy beaches and vibrant coral reefs. The best time to travel to Diani Beach, Kenya, is from December to March, when the average air temperature is around 30°C (86°F) and the water temperature is approximately 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!