Alma, Canada offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Alma, New Brunswick, Canada, is known for its proximity to Fundy National Park and the Bay of Fundy, famous for having the highest tides in the world. The best time to travel to Alma, 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 in Lac Saint-Jean is approximately 18°C (64°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!