Death Valley National Park weather in August
August in Death Valley National Park: hot, dry, with clean air — a good time to visit.
#11 of 12 months in Death Valley National Park · #440 of 604 destinations to visit in August · comfort 67/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Death Valley National Park climate normals — August
| Daytime high | 33°C / 91°F | 🥵 hot |
|---|---|---|
| Nighttime low | 21°C / 70°F | |
| Feels like (high) | 31°C / 88°F | |
| Rainfall | 17 mm / 0.7 in | ☀️ dry |
| Rainy days | 1 days | |
| Humidity | 27% | 🌵 dry |
| Dew point | 3°C / 38°F | |
| Sunshine | 12.3 h/day | |
| Daylight | 13.5 h | |
| Wind | 8 km/h / 5 mph | |
| Air quality (US AQI) | 50 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Death Valley National Park in August — FAQ
- Is August a good time to visit Death Valley National Park?
- August in Death Valley National Park: hot, dry, with clean air — a good time to visit. It ranks #11 of 12 months for Death Valley National Park on SeasonMap's comfort score (67/100).
- What is the weather like in Death Valley National Park in August?
- In August, Death Valley National Park averages a daily high of 32.9°C and a low of 21°C, with about 17.1 mm of rain over roughly 1 rainy days.
- What is the air quality in Death Valley National Park in August?
- Death Valley National Park has a mean US Air Quality Index of about 50 in August.