Cranston, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Cranston is known for its charming local parks and historic sites. The best time to travel to Cranston, United States, is in late spring (May to June) when the average air temperature is around 65-75°F (18-24°C) and water temperature is approximately 55-65°F (13-18°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!