Flagstaff weather in October
October in Flagstaff: nice, dry, with clean air — an excellent time to visit.
#5 of 12 months in Flagstaff · #175 of 897 destinations to visit in October · comfort 87/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Flagstaff in October
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Flagstaff climate normals — October
| Daytime high | 19°C / 66°F | 😎 nice |
|---|---|---|
| Nighttime low | 7°C / 45°F | |
| Rainfall | 20 mm / 0.8 in | ☀️ dry |
| Rainy days | 4 days | |
| Humidity | 50% | 🍃 comfortable |
| Dew point | 1°C / 33°F | |
| Sunshine | 10.3 h/day | |
| Daylight | 11.3 h | |
| Wind | 16 km/h / 10 mph | |
| Snowfall | 1.3 cm / 0.5 in | |
| Air quality (US AQI) | 42 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Flagstaff in October — FAQ
- Is October a good time to visit Flagstaff?
- October in Flagstaff: nice, dry, with clean air — an excellent time to visit. It ranks #5 of 12 months for Flagstaff on SeasonMap's comfort score (87/100).
- What is the weather like in Flagstaff in October?
- In October, Flagstaff averages a daily high of 18.9°C and a low of 7.2°C, with about 20.1 mm of rain over roughly 3.6 rainy days.
- What is the air quality in Flagstaff in October?
- Flagstaff has a mean US Air Quality Index of about 42 in October.
- Does it snow in Flagstaff in October?
- Flagstaff sees roughly 1.3 cm of snowfall in October.