Mount Rushmore National Memorial - Climate

Warm days and cool nights are common in the summer, but July and August are typically hot. Moderate temperatures usually prevail in the winter months with some below zero temperatures. Afternoon thunderstorms in the summer may bring damaging hail and on occasion fog will obscure any view of the memorial. Snow may fall as early as September and may last until mid-May. Layered clothing is recommended along with comfortable walking shoes.