Colonia Juan N. Alvarez, Mexico offers 1 beach perfect for sunbathing, surfing, swimming, and more. Colonia Juan N. Alvarez, Guerrero, Mexico, is known for its proximity to the popular tourist destination of Acapulco. The best time to travel to Colonia Juan N. Alvarez, Mexico, is between November and April, with average air temperatures around 75-85°F (24-29°C) and water temperatures around 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!