Jan Thiel, Curacao offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Jan Thiel is known for Jan Thiel Beach and the Jan Thiel Lagoon in regard to tourism. The best time to travel to Jan Thiel, Curacao, 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!