What is the climate of Mt Rushmore?

Mt. Rushmore National Memorial is located within a humid continental climate zone. The average annual temperature is 49 °F (9.4 °C). The warmest month is July, with an average temperature of 68 °F (20 °C), and the coldest month is January, with an average temperature of 18 °F (−8 °C).

The average annual precipitation is 15 inches (38 cm). The wettest month is May, with an average of 2.7 inches (7 cm) of precipitation, and the driest month is December, with an average of 0.35 inches (0.9 cm) of precipitation.

The climate at Mt. Rushmore is influenced by the Black Hills, which run through the western part of the state. The Black Hills create a rain shadow, which results in less precipitation on the eastern side of the mountains. The Black Hills also create a barrier to the cold air that comes from the north, which results in warmer temperatures in the winter months.

The climate at Mt. Rushmore is also influenced by the jet stream, which is a fast-moving air current that flows from west to east across the United States. The jet stream can cause rapid changes in weather conditions at Mt. Rushmore, such as sudden storms or periods of severe cold.