Dalvay, Canada offers 1 beach perfect for sunbathing, surfing, swimming, and more. Dalvay, Prince Edward Island, Canada, is known for Dalvay-by-the-Sea, a historic hotel and national historic site featured in the "Anne of Green Gables" series. The best time to travel to Dalvay, Canada, is during the summer months of June to August, when the average air temperature is around 20°C (68°F) and the water temperature is approximately 16°C (61°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!