Granaggiolo, France offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Granaggiolo, Corsica, France, is known for its proximity to the stunning Scandola Nature Reserve and the picturesque Calanques de Piana. The best time to travel to Granaggiolo, France, is from June to September, with average air temperatures around 75°F (24°C) and water temperatures near 72°F (22°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!