Boswell, Canada offers 1 beach perfect for sunbathing, surfing, swimming, and more. Boswell, British Columbia, Canada, is known for the Glass House, a unique tourist attraction made from over half a million empty embalming fluid bottles. The best time to travel to Boswell, Canada, is in July when the average air temperature is around 25°C (77°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!