Barmouth, United Kingdom offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Dindi is known for the Godavari River, coconut plantations, and the serene backwaters. The best time to travel to Barmouth, United Kingdom, is from June to August, when the average air temperature is around 18°C (64°F) and the water temperature is approximately 15°C (59°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!