Dun Laoghaire, Ireland offers 1 beach perfect for sunbathing, surfing, swimming, and more. Dun Laoghaire is known for the Dun Laoghaire Harbour and the James Joyce Tower and Museum. The best time to travel to Dun Laoghaire, Ireland, is from June to August, with average air temperatures around 15-20°C (59-68°F) and water temperatures around 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!
