Mossy Glen, Ireland offers 1 beach perfect for sunbathing, surfing, swimming, and more. Mossy Glen is known for its picturesque coastal landscapes and serene beach experiences. The best time to travel to Mossy Glen, Ireland, is from May to September, with average air temperatures around 55-65°F (13-18°C) and water temperatures around 50-60°F (10-16°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!