Spring Garden, Jamaica offers 1 beach perfect for sunbathing, surfing, swimming, and more. Spring Garden, Portland, Jamaica, is known for its proximity to the Blue Lagoon and Frenchman's Cove. The best time to travel to Spring Garden, Jamaica, is from December to April, with average air temperatures around 80°F (27°C) and water temperatures near 82°F (28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!