Oliver, Canada offers 1 beach perfect for sunbathing, surfing, swimming, and more. Oliver is known for its wineries and vineyards in the Okanagan Valley. The best time to travel to Oliver, Canada, is in July, when the average air temperature is around 28°C (82°F) and the water temperature in nearby lakes 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!