Alcova, United States offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Alcova, Wyoming, United States, is known for Alcova Reservoir and Fremont Canyon, popular for fishing, boating, and rock climbing. The best time to travel to Alcova, United States, is in late spring or early fall when the average air temperature is around 60-70°F and the water temperature is approximately 50-60°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!