Area C Christina Lake, Canada offers 1 beach perfect for sunbathing, surfing, swimming, and more. Area C Christina Lake, British Columbia, Canada, is known for Christina Lake, renowned for its warm water and outdoor recreational activities. The best time to travel to Christina Lake, Canada, is during July and August when the average air temperature is around 25°C (77°F) and the water temperature is approximately 22°C (72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!