Drillistown, Ireland offers 1 beach perfect for sunbathing, surfing, swimming, and more. Drillistown is known for the historic Drillistown Castle and the annual Drillistown Music Festival. The best time to travel to Drillistown, Ireland, is from May to September, when the average air temperature is around 15-20°C (59-68°F) and the water temperature is approximately 12-16°C (54-61°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!