Flagstaff weather in October
“Mild and bright — an underrated time to visit.”
Roughly 6 rainy days across the month, on average.
October transforms Flagstaff into a crisp, pleasant destination with daytime highs around 18°C (64°F) and cool mornings dropping to 6°C (43°F). You'll experience about 31mm of rainfall spread across 6 rainy days, with generous sunshine at 10.5 hours daily. This is classic fall weather—mild enough for outdoor exploration but cool enough to require layering.
Autumn colors peak in October around Flagstaff's pine forests and surrounding mountains, making it one of the most visually stunning months. The town hosts various fall festivals and outdoor events, while summer crowds have thinned considerably. You'll find a relaxed, local atmosphere without peak-season tourist congestion.
For 2026 travel planning, October is ideal if you enjoy moderate temperatures and want to explore hiking, scenic drives, and cultural attractions without extreme heat or winter snow. Pack layers and a light rain jacket, and expect comfortable conditions for most outdoor activities throughout the month.
What to pack for Flagstaff in October
October's cool mornings and mild afternoons demand smart layering. Bring pieces you can mix and match, plus a light rain jacket for occasional showers. Comfortable walking shoes are essential for exploring Flagstaff's downtown and nearby trails.
- Merino wool base layers
- Lightweight fleece jacket
- Water-resistant rain jacket
- Jeans or hiking pants
- Waterproof hiking boots
What to pack for Flagstaff in October
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Where to stay in Flagstaff
We don't review individual hotels — plenty of people do that well. What we do is send you to compare rooms in Flagstaff across trusted platforms.
Compare hotels on Booking.com→Things worth doing
Hiking the San Francisco Peaks, visiting Walnut Canyon National Monument, exploring downtown Flagstaff's galleries and restaurants, scenic drive along Route 89A through Oak Creek Canyon.
October vs. the rest of the year
How this month compares in Flagstaff. Tap any month to read more.
highlighted months are among the best time to visit.
Best time to visit Flagstaff
While October has its own character in Flagstaff, the data-backed best months to visit Flagstaff are April, May, June, July. These months combine the most favourable temperatures, rainfall, and sunshine across a ten-year climate record.
See the full best-time-to-visit guide for FlagstaffOther places with a similar climate right now
Flagstaff in October — FAQ
Q01Is October a good time to visit Flagstaff?
Is October a good time to visit Flagstaff?
Yes — it is a good time to visit, with pleasant, comfortable weather. In October, Flagstaff averages a high of 18°C (64°F) and a low of 6°C (43°F), with 31mm of rainfall across roughly 6 rainy days.
Q02What is the average temperature in Flagstaff in October?
What is the average temperature in Flagstaff in October?
The average high temperature in Flagstaff during October is 18°C (64°F), with an average low of 6°C (43°F). These figures are averaged from ten years of daily records (2015–2024, Open-Meteo Archive).
Q03How many rainy days does Flagstaff have in October?
How many rainy days does Flagstaff have in October?
Flagstaff averages approximately 6 rainy days in October, with a total monthly rainfall of about 31mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.
Q04What should I pack for Flagstaff in October?
What should I pack for Flagstaff in October?
For Flagstaff in October, pack layered clothing for changing temperatures, a merino base layer for evenings, comfortable walking shoes. These recommendations are based on the ten-year weather averages for this specific month.
Q05How crowded is Flagstaff in October?
How crowded is Flagstaff in October?
Tourist crowds in Flagstaff during October are typically moderate — shoulder season, a sweet spot between crowds and weather. Consider this when planning accommodation — prices track crowd levels closely.