Arches National Park weather in October
October in Arches National Park: cool, dry, with clean air — one of the best months to visit.
#2 of 12 months in Arches National Park · #23 of 604 destinations to visit in October · comfort 92/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Arches National Park climate normals — October
| Daytime high | 19°C / 66°F | 🙂 cool |
|---|---|---|
| Nighttime low | 6°C / 42°F | |
| Feels like (high) | 15°C / 59°F | |
| Rainfall | 24 mm / 1 in | ☀️ dry |
| Rainy days | 4 days | |
| Humidity | 42% | 🍃 comfortable |
| Dew point | -1°C / 29°F | |
| Sunshine | 10 h/day | |
| Daylight | 11.2 h | |
| Wind | 14 km/h / 8 mph | |
| Snowfall | 0.8 cm / 0.3 in | |
| Air quality (US AQI) | 33 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Arches National Park?
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Arches National Park in October — FAQ
- Is October a good time to visit Arches National Park?
- October in Arches National Park: cool, dry, with clean air — one of the best months to visit. It ranks #2 of 12 months for Arches National Park on SeasonMap's comfort score (92/100).
- What is the weather like in Arches National Park in October?
- In October, Arches National Park averages a daily high of 19.1°C and a low of 5.5°C, with about 24.3 mm of rain over roughly 3.6 rainy days.
- What is the air quality in Arches National Park in October?
- Arches National Park has a mean US Air Quality Index of about 33 in October.