Bolshie Kosichi, Ireland offers 1 beach perfect for sunbathing, surfing, swimming, and more. Munster, Ireland, is known for the Cliffs of Moher and the Ring of Kerry. Bolshie Kosichi is not in Ireland; however, if you meant to inquire about a location in Ireland, the best time to visit is during late spring to early autumn (May to September) when the average air temperature ranges from 10°C to 20°C (50°F to 68°F) and water temperatures are around 12°C to 16°C (54°F to 61°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!