Merrifield, United States offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Merrifield, Minnesota, United States, is known for its proximity to the Brainerd Lakes Area, which offers numerous outdoor recreational activities and scenic natural attractions. The best time to travel to Merrifield, United States, is in late spring (May to June) when the average air temperature is around 65-75°F and water temperature in nearby lakes 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!