Mount Rushmore National Memorial Rainfall Forecast
- 35%
- 65%
- 35%
- 10%
- 5%
- 5%
- 20%
Mount Rushmore National Memorial Rainfall Statistics
July Rainfall
Custer, Custer County Airport (12.4 miles)
Total Rainfall July
3.4inDaily Average July
0.1inWettest Day 8 July, 2026
0.8inWet Days July
12/29 (41%)
Climate (2021–2025)
Custer, Custer County Airport (12.4 miles)
Annual Average 2021–2025
18.1inMonthly Average 2021–2026
1.4inDaily Average 2021–2026
0.05inWettest Day 12 October, 2023
2in