Shimoni, Kenya offers 1 beach perfect for sunbathing, surfing, swimming, and more. Shimoni is known for the Shimoni Caves and the Kisite-Mpunguti Marine National Park. The best time to travel to Shimoni, Kenya, is from June to September, when the average air temperature is around 25°C (77°F) and the water temperature is approximately 26°C (79°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!