Remire Montjoly, French Guiana offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Remire Montjoly is known for its beautiful beaches like Montjoly Beach and the historic Fort Diamant. The best time to travel to Remire-Montjoly, French Guiana, is from August to November, with average air temperatures around 27°C (81°F) and water temperatures near 28°C (82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!