Sligo, Ireland offers 1 beach perfect for sunbathing, surfing, swimming, and more. Sligo is known for its stunning landscapes, including Benbulben Mountain and its connection to the poet W.B. Yeats. The best time to travel to Sligo, Ireland, is from May to September, when the average air temperature is around 15-19°C (59-66°F) and the average sea temperature is about 13-16°C (55-61°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!