Great Basin National Park weather in August
August in Great Basin National Park: nice, a little rain, with clean air — one of the best months to visit.
#1 of 12 months in Great Basin National Park · #4 of 604 destinations to visit in August · comfort 95/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Great Basin National Park climate normals — August
| Daytime high | 21°C / 70°F | 😎 nice |
|---|---|---|
| Nighttime low | 10°C / 49°F | |
| Feels like (high) | 19°C / 66°F | |
| Rainfall | 51 mm / 2 in | 🌦 some rain |
| Rainy days | 8 days | |
| Humidity | 48% | 🍃 comfortable |
| Dew point | 2°C / 35°F | |
| Sunshine | 12.2 h/day | |
| Daylight | 13.6 h | |
| Wind | 14 km/h / 8 mph | |
| Air quality (US AQI) | 46 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Great Basin National Park?
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Great Basin National Park in August — FAQ
- Is August a good time to visit Great Basin National Park?
- August in Great Basin National Park: nice, a little rain, with clean air — one of the best months to visit. It ranks #1 of 12 months for Great Basin National Park on SeasonMap's comfort score (95/100).
- What is the weather like in Great Basin National Park in August?
- In August, Great Basin National Park averages a daily high of 21.3°C and a low of 9.6°C, with about 50.8 mm of rain over roughly 7.6 rainy days.
- What is the air quality in Great Basin National Park in August?
- Great Basin National Park has a mean US Air Quality Index of about 46 in August.