Larchmont, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Larchmont, New York, United States, is known for its picturesque Manor Park and the Larchmont Yacht Club. The best time to travel to Larchmont, United States, is during late spring (May to June) when the average air temperature is around 65-75°F and the water temperature is approximately 60-65°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!