Kennebunkport, United States offers 15 beaches perfect for sunbathing, surfing, swimming, and more. Kennebunkport is known for its charming coastal scenery, historic architecture, and as a summer retreat for the Bush family. The best time to travel to Kennebunkport is from June to September, when the average air temperature is around 70-80°F and the water temperature is approximately 60-70°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!