Pier Gates, Ireland offers 1 beach perfect for sunbathing, surfing, swimming, and more. Pier Gates, Munster, Ireland, is known for the scenic Cliffs of Moher. The best time to travel to Pier Gates, 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!