Monagrillo, Panama offers 1 beach perfect for sunbathing, surfing, swimming, and more. Monagrillo is known for the Monagrillo Archaeological Site, which provides insights into one of the earliest known pottery-making cultures in Panama. The best time to travel to Monagrillo, Panama, is during the dry season from December to April, with average air temperatures around 80-90°F (27-32°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!