Rough Island, Ireland offers 1 beach perfect for sunbathing, surfing, swimming, and more. Rough Island is known for its scenic beauty and the Rough Island Nature Reserve, which attracts birdwatchers and nature enthusiasts. The best time to travel to Rough Island, Ireland, is during the summer months of June to August, when the average air temperature is around 15-20°C (59-68°F) and the water temperature is approximately 14-16°C (57-61°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!