San Juan de Alima, Mexico offers 3 beaches perfect for sunbathing, surfing, swimming, and more. San Juan de Alima is known for its beautiful beaches and proximity to the Sierra Madre del Sur mountain range. The best time to travel to San Juan de Alima, Mexico, is between November and April, with average air temperatures around 75-85°F (24-29°C) and water temperatures near 78-82°F (26-28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!