Harvey Cedars, United States offers 12 beaches perfect for sunbathing, surfing, swimming, and more. Harvey Cedars is known for its beautiful beaches and the Harvey Cedars Bible Conference. The best time to travel to Harvey Cedars, United States, is during the summer months of June to August, when the average air temperature is around 75-85°F and the water temperature is approximately 70-75°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!