Hradec Kralove, Czech Republic offers 1 beach perfect for sunbathing, surfing, swimming, and more. Hradec Kralove is known for the White Tower and the Museum of Eastern Bohemia. The best time to travel to Hradec Kralove, Czech Republic, is from May to September, with average air temperatures ranging from 15°C to 25°C and water temperatures around 18°C to 22°C. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!