La Bourne, Saint Lucia offers 1 beach perfect for sunbathing, surfing, swimming, and more. La Bourne is known for its scenic natural beauty and lush landscapes in Dauphin, Saint Lucia. The best time to travel to La Bourne, Saint Lucia, is from December to April, with average air temperatures around 27°C (81°F) and water temperatures near 28°C (82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!