Roura, French Guiana offers 1 beach perfect for sunbathing, surfing, swimming, and more. Roura is known for the Tresor Nature Reserve and the Kaw Marshes in regard to tourism. The best time to travel to Roura, French Guiana, is from August to November, when the average air temperature is around 27°C (81°F) and the water temperature is approximately 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!