San Pedro, Belize offers 19 beaches perfect for sunbathing, surfing, swimming, and more. San Pedro, Ambergris Caye, Hol Chan Marine Reserve, and the Great Blue Hole. The best time to visit San Pedro, Belize, is from late November to mid-April, with average air temperatures around 75-85°F (24-29°C) and water temperatures near 80°F (27°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!