Lahinch, Ireland offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Lahinch is known for its stunning beach and excellent surfing conditions. The best time to travel to Lahinch, Ireland, is from June to September, 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!