Providence, Seychelles offers 5 beaches perfect for sunbathing, surfing, swimming, and more. Providence, WaterFire. Cascade, Cascade Lake. Seychelles, Anse Source d'Argent. The best time to travel to Providence, Seychelles, is from April to May or October to November, with average air temperatures around 27-30°C (81-86°F) and water temperatures around 27-29°C (81-84°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!