Aspen, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Aspen is known for its world-class ski resorts and vibrant après-ski culture. The best time to travel to Aspen is from December to February, with average air temperatures ranging from 20°F to 40°F and water temperatures in nearby lakes and rivers around 32°F to 40°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!