Cassadaga, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Cassadaga, New York, United States, is known for the Lily Dale Assembly, a spiritualist community and retreat center. The best time to travel to Cassadaga, United States, is in the spring (March to May) when the average air temperature is around 70°F (21°C) and the water temperature is approximately 65°F (18°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!