Montrouis, Haiti offers 1 beach perfect for sunbathing, surfing, swimming, and more. Montrouis is known for its beautiful beaches and resorts along the Cote des Arcadins. The best time to travel to Montrouis, Haiti, is from November to March, with average air temperatures around 77-82°F (25-28°C) and water temperatures about 79-82°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!