True Blue, Grenada offers 5 beaches perfect for sunbathing, surfing, swimming, and more. True Blue, Saint George, Grenada, is known for St. George's University and its proximity to Grand Anse Beach. The best time to travel to True Blue, 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!