Tacumshane, Ireland offers 1 beach perfect for sunbathing, surfing, swimming, and more. Tacumshane is known for Tacumshane Windmill, one of the oldest working windmills in Ireland. The best time to travel to Tacumshane, Ireland, is from June to August, with average air temperatures around 15-20°C (59-68°F) and water temperatures near 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!