Port Caledonia, Canada offers 1 beach perfect for sunbathing, surfing, swimming, and more. Port Caledonia is known for its proximity to the scenic Bras d'Or Lake and the historic Fortress of Louisbourg. The best time to travel to Port Caledonia, 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 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!