Wind Cave National Park weather in August
August in Wind Cave National Park: hot, a little rain, with clean air — an excellent time to visit.
#4 of 12 months in Wind Cave National Park · #186 of 604 destinations to visit in August · comfort 86/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Wind Cave National Park climate normals — August
| Daytime high | 30°C / 85°F | 🥵 hot |
|---|---|---|
| Nighttime low | 16°C / 61°F | |
| Feels like (high) | 29°C / 84°F | |
| Rainfall | 38 mm / 1.5 in | 🌦 some rain |
| Rainy days | 8 days | |
| Humidity | 54% | 🍃 comfortable |
| Dew point | 12°C / 53°F | |
| Sunshine | 12.1 h/day | |
| Daylight | 13.9 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 42 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Wind Cave National Park?
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Wind Cave National Park in August — FAQ
- Is August a good time to visit Wind Cave National Park?
- August in Wind Cave National Park: hot, a little rain, with clean air — an excellent time to visit. It ranks #4 of 12 months for Wind Cave National Park on SeasonMap's comfort score (86/100).
- What is the weather like in Wind Cave National Park in August?
- In August, Wind Cave National Park averages a daily high of 29.7°C and a low of 16.3°C, with about 37.5 mm of rain over roughly 8.2 rainy days.
- What is the air quality in Wind Cave National Park in August?
- Wind Cave National Park has a mean US Air Quality Index of about 42 in August.