San Clemente, Costa Rica offers 18 beaches perfect for sunbathing, surfing, swimming, and more. San Clemente, Limon, Costa Rica, is known for its proximity to the Tortuguero National Park. The best time to travel to San Clemente, Costa Rica, is from December to April, with average air temperatures around 85°F (29°C) and water temperatures near 82°F (28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!