Sihanouk, Cambodia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Sihanoukville is known for its beautiful beaches and vibrant nightlife. The best time to travel to Sihanouk, Cambodia, is from November to February, with average air temperatures around 25-30°C (77-86°F) and water temperatures about 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!