Lynn Lake, Canada offers 1 beach perfect for sunbathing, surfing, swimming, and more. Lynn Lake, Manitoba, Canada, is known for its proximity to the expansive and scenic Lynn Lake Provincial Park. The best time to travel to Lynn Lake, Canada, is in July when the average air temperature is around 17°C (63°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!