Kilbeg, Ireland offers 1 beach perfect for sunbathing, surfing, swimming, and more. Kilbeg, Ulster, Ireland, is known for the Kilbeggan Distillery, one of the oldest licensed distilleries in the world. The best time to travel to Kilbeg, 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!