Roseway, Canada offers 1 beach perfect for sunbathing, surfing, swimming, and more. Roseway, Nova Scotia, Canada, is known for its proximity to the historic Shelburne Harbour and the scenic Roseway Beach. The best time to travel to Roseway, Canada, is during the summer months of July and August, when the average air temperature is around 20°C (68°F) and the water temperature is approximately 15°C (59°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!