Westerhall, Grenada offers 1 beach perfect for sunbathing, surfing, swimming, and more. Westerhall, Saint David, Grenada, is known for the Westerhall Estate, famous for its rum distillery and historical tours. The best time to travel to Westerhall, Grenada, is from December to April, with average air temperatures around 82°F (28°C) and water temperatures near 80°F (27°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!