Petrified Forest National Park weather in October
October in Petrified Forest National Park: nice, dry, with clean air — one of the best months to visit.
#1 of 12 months in Petrified Forest National Park · #43 of 604 destinations to visit in October · comfort 91/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Petrified Forest National Park climate normals — October
| Daytime high | 22°C / 72°F | 😎 nice |
|---|---|---|
| Nighttime low | 7°C / 45°F | |
| Feels like (high) | 18°C / 64°F | |
| Rainfall | 16 mm / 0.6 in | ☀️ dry |
| Rainy days | 3 days | |
| Humidity | 43% | 🍃 comfortable |
| Dew point | 0°C / 32°F | |
| Sunshine | 10.2 h/day | |
| Daylight | 11.3 h | |
| Wind | 22 km/h / 14 mph | |
| Snowfall | 0.9 cm / 0.4 in | |
| Air quality (US AQI) | 36 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Petrified Forest National Park?
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Petrified Forest National Park in October — FAQ
- Is October a good time to visit Petrified Forest National Park?
- October in Petrified Forest National Park: nice, dry, with clean air — one of the best months to visit. It ranks #1 of 12 months for Petrified Forest National Park on SeasonMap's comfort score (91/100).
- What is the weather like in Petrified Forest National Park in October?
- In October, Petrified Forest National Park averages a daily high of 22.1°C and a low of 7°C, with about 15.8 mm of rain over roughly 3.4 rainy days.
- What is the air quality in Petrified Forest National Park in October?
- Petrified Forest National Park has a mean US Air Quality Index of about 36 in October.