Sihanoukville, Cambodia offers 5 beaches perfect for sunbathing, surfing, swimming, and more. Sihanoukville is known for its beautiful beaches, vibrant nightlife, and the nearby Ream National Park. The best time to travel to Sihanoukville, 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!