Sima, Comoros offers 1 beach perfect for sunbathing, surfing, swimming, and more. Sima, Nzwani, Comoros, is known for its proximity to the stunning Mount Ntringui and the beautiful Lake Dzialandze. The best time to travel to Sima, Comoros, is from May to November, with average air temperatures around 25-28°C (77-82°F) and water temperatures approximately 26-28°C (79-82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!