Dundalk, Ireland offers 1 beach perfect for sunbathing, surfing, swimming, and more. Mawnan Smith is known for the Trebah Garden and Glendurgan Garden. The best time to travel to Dundalk, 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!
