Theodore Roosevelt National Park weather in August
August in Theodore Roosevelt National Park: warm, a little rain, with clean air — an excellent time to visit.
#4 of 12 months in Theodore Roosevelt National Park · #243 of 604 destinations to visit in August · comfort 83/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Theodore Roosevelt National Park climate normals — August
| Daytime high | 29°C / 85°F | 🌤 warm |
|---|---|---|
| Nighttime low | 16°C / 62°F | |
| Feels like (high) | 28°C / 82°F | |
| Rainfall | 46 mm / 1.8 in | 🌦 some rain |
| Rainy days | 7 days | |
| Humidity | 55% | 🍃 comfortable |
| Dew point | 12°C / 54°F | |
| Sunshine | 11.8 h/day | |
| Daylight | 14.2 h | |
| Wind | 23 km/h / 15 mph | |
| Air quality (US AQI) | 44 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Theodore Roosevelt National Park?
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Theodore Roosevelt National Park in August — FAQ
- Is August a good time to visit Theodore Roosevelt National Park?
- August in Theodore Roosevelt National Park: warm, a little rain, with clean air — an excellent time to visit. It ranks #4 of 12 months for Theodore Roosevelt National Park on SeasonMap's comfort score (83/100).
- What is the weather like in Theodore Roosevelt National Park in August?
- In August, Theodore Roosevelt National Park averages a daily high of 29.4°C and a low of 16.4°C, with about 45.7 mm of rain over roughly 6.8 rainy days.
- What is the air quality in Theodore Roosevelt National Park in August?
- Theodore Roosevelt National Park has a mean US Air Quality Index of about 44 in August.