Sicamous, Canada offers 1 beach perfect for sunbathing, surfing, swimming, and more. Sicamous is known for Shuswap Lake and its extensive network of houseboat rentals. The best time to travel to Sicamous, Canada, is during the summer months of June to August, when the average air temperature is around 25°C (77°F) and the water temperature in Shuswap Lake 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!