Shediac, Canada offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Shediac is known for the Shediac Lobster Festival and Parlee Beach Provincial Park. The best time to travel to Shediac, Canada, is in July when the average air temperature is around 23°C (73°F) and the water temperature is approximately 20°C (68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!