Boa, Spain offers 9 beaches perfect for sunbathing, surfing, swimming, and more. Orillia is known for the Stephen Leacock Museum and the Mariposa Folk Festival. The best time to travel to Boa, Spain, is in late spring or early fall when the average air temperature is around 70°F (21°C) and the water temperature is approximately 66°F (19°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!