Grand Canyon National Park weather in October
October in Grand Canyon National Park: nice, dry, with clean air — one of the best months to visit.
#2 of 12 months in Grand Canyon National Park · #53 of 604 destinations to visit in October · comfort 90/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Grand Canyon National Park climate normals — October
| Daytime high | 26°C / 79°F | 😎 nice |
|---|---|---|
| Nighttime low | 13°C / 55°F | |
| Feels like (high) | 23°C / 73°F | |
| Rainfall | 15 mm / 0.6 in | ☀️ dry |
| Rainy days | 2 days | |
| Humidity | 38% | 🌵 dry |
| Dew point | 3°C / 38°F | |
| Sunshine | 10.2 h/day | |
| Daylight | 11.3 h | |
| Wind | 15 km/h / 9 mph | |
| Snowfall | 0.8 cm / 0.3 in | |
| Air quality (US AQI) | 36 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Grand Canyon National Park in October — FAQ
- Is October a good time to visit Grand Canyon National Park?
- October in Grand Canyon National Park: nice, dry, with clean air — one of the best months to visit. It ranks #2 of 12 months for Grand Canyon National Park on SeasonMap's comfort score (90/100).
- What is the weather like in Grand Canyon National Park in October?
- In October, Grand Canyon National Park averages a daily high of 26.3°C and a low of 12.5°C, with about 14.6 mm of rain over roughly 2.4 rainy days.
- What is the air quality in Grand Canyon National Park in October?
- Grand Canyon National Park has a mean US Air Quality Index of about 36 in October.