Pinnacles National Park weather in August
August in Pinnacles National Park: hot, dry, with clean air — a great time to visit.
#10 of 12 months in Pinnacles National Park · #312 of 604 destinations to visit in August · comfort 79/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Pinnacles National Park climate normals — August
| Daytime high | 32°C / 89°F | 🥵 hot |
|---|---|---|
| Nighttime low | 16°C / 61°F | |
| Feels like (high) | 32°C / 90°F | |
| Rainfall | 1 mm / 0 in | ☀️ dry |
| Rainy days | 0 days | |
| Humidity | 52% | 🍃 comfortable |
| Dew point | 11°C / 51°F | |
| Sunshine | 12.5 h/day | |
| Daylight | 13.5 h | |
| Wind | 11 km/h / 7 mph | |
| Air quality (US AQI) | 38 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Pinnacles National Park?
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Pinnacles National Park in August — FAQ
- Is August a good time to visit Pinnacles National Park?
- August in Pinnacles National Park: hot, dry, with clean air — a great time to visit. It ranks #10 of 12 months for Pinnacles National Park on SeasonMap's comfort score (79/100).
- What is the weather like in Pinnacles National Park in August?
- In August, Pinnacles National Park averages a daily high of 31.6°C and a low of 16.2°C, with about 1.1 mm of rain over roughly 0.2 rainy days.
- What is the air quality in Pinnacles National Park in August?
- Pinnacles National Park has a mean US Air Quality Index of about 38 in August.