Maytown South, Ireland offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Maytown South, Munster, Ireland, is known for the historic Maytown Castle and the scenic Maytown Cliffs. The best time to travel to Maytown South, Ireland, is during late spring to early summer (May to June), when the average air temperature is around 55-65°F (13-18°C) and the water temperature is approximately 50-55°F (10-13°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!