Wind Cave National Park Rainfall Forecast
- 15%
- 10%
- 40%
- 35%
- 40%
- 30%
- 15%
Wind Cave National Park Rainfall Statistics
May Rainfall
Custer, Custer County Airport (12.4 miles)
Total Rainfall May
–Daily Average May
–Wettest Day 2 May, 2026
–Wet Days May
–
Climate (2010–Present)
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