Leysdown on Sea, United Kingdom offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Leysdown on Sea is known for its sandy beaches and the nearby Shellness Nature Reserve. The best time to travel to Leysdown on Sea, United Kingdom, is during the summer months of June to August, when the average air temperature is around 18-22°C (64-72°F) and the water temperature is approximately 16-18°C (61-64°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!