Mount Rushmore National Memorial in August
In August, Mount Rushmore National Memorial averages a high of 78°F and a low of 58°F, with 2.3 inches of precipitation (rain plus melted snow). About 405,000 people visit, the 2nd busiest of 12 (busy). Days are 13 hours 60 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 78° / 58°F
- Precipitation
- 2.3in
- Snow
- 0in
- Daylight
- 13h 60m
- Visitors
- 405,000
- Crowds
- Busy
Best months for weather and crowds instead: September (moderate).
Higher or lower in the park, expect a different picture: Rapid City Rgnl AP, SD at 3,160 ft averages a August high of 85°F and a low of 56°F.
Weather 1991–2020 averages at Mt Rushmore Nmem, SD, 0.3 miles from the park's center, 5,311 ft. Second station lower down: Rapid City Rgnl AP, SD, 3,160 ft, 22.9 miles. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in August
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Wind Cave National Park | 84° / 55° | Very busy | Hot |
| Badlands National Park | 88° / 58° | Very busy | Hot |
| Theodore Roosevelt National Park | 85° / 53° | Very busy | Hot |
| Rocky Mountain National Park | 73° / 38° | Very busy | Mild, wet |
| Yellowstone National Park | 71° / 37° | Very busy | Mild |
Closures, reservations and alerts: Mount Rushmore National Memorial on nps.gov
All twelve months at Mount Rushmore National Memorial · National parks to visit in August