Зоны морозостойкости
According to the Köppen climate classification system, Mammoth Cave National Park has a Humid subtropical climate ("Cfa"). According to the United States Department of Agriculture, the Plant Hardiness zone at Mammoth Cave National Park Visitor Center at 722 ft (220 m) elevation is 6b with an average annual extreme minimum temperature of -3.2 °F (-19.6 °C).