Tralispean, Ireland offers 1 beach perfect for sunbathing, surfing, swimming, and more. Santadran is known for the historic Santadran Cathedral and the annual Santadran Music Festival. The best time to travel to Tralispean, 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!