Theologos, Greece offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Theologos is known for its picturesque traditional stone houses and the historic Monastery of Saint John the Theologian. The best time to travel to Theologos, Greece, is from May to September, with average air temperatures ranging from 25-30°C (77-86°F) and water temperatures around 22-26°C (72-79°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!