Flagstaff weather in October: Flagstaff, Arizona: normal highs, lows, rain and records for October
Flagstaff in October has a normal high of 64°F and a normal low of 32°F, a daily mean of 48°F, falling from 69°F on the 1st to 58°F by the 31st. Measurable precipitation falls on 5 days in a normal October, 1.52 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 18°C and low of 0°C, 39 mm of precipitation and 4 cm of snow in October.
- NOAA stationFlagstaff Airport
- Station IDUSW00003103
- Location35.14°N 111.67°W
- Elevation7,003 ft (2,135 m)
- Population77,539
- Jan 43° 18°
- Feb 46° 20°
- Mar 52° 24°
- Apr 59° 28°
- May 68° 35°
- Jun 79° 43°
- Jul 82° 51°
- Aug 79° 51°
- Sep 74° 43°
- Oct 64° 32°
- Nov 52° 23°
- Dec 43° 17°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Flagstaff in October?
The normal high is 64°F and the normal low 32°F, for a daily mean of 47.6°F. October is 10.7°F cooler than September and 10.1°F warmer than November. October is the 6th warmest month of the year in Flagstaff and the 9th wettest. Across the month the normal high falls 11°F, from 69°F on October 1 to 58°F on October 31. From one year to the next October's mean temperature typically moves about 2.4°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 45°F and 50°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 18%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 69°F | 37°F | 18% | 10% |
| October 8 | 67°F | 34°F | 17% | 9% |
| October 15 | 64°F | 32°F | 16% | 9% |
| October 22 | 61°F | 30°F | 16% | 10% |
| October 31 | 58°F | 27°F | 16% | 10% |
Every day of October: normal high, low and chance of precipitation (warmest afternoon October 1, coldest night October 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| October 1 | 69°F | 37°F | 18% | 10% | 11 h 50 min |
| October 2 | 69°F | 36°F | 18% | 10% | 11 h 50 min |
| October 3 | 68°F | 36°F | 18% | 10% | 11 h 50 min |
| October 4 | 68°F | 35°F | 17% | 10% | 11 h 50 min |
| October 5 | 68°F | 35°F | 17% | 10% | 11 h 40 min |
| October 6 | 67°F | 35°F | 17% | 10% | 11 h 40 min |
| October 7 | 67°F | 34°F | 17% | 9% | 11 h 40 min |
| October 8 | 67°F | 34°F | 17% | 9% | 11 h 40 min |
| October 9 | 66°F | 34°F | 17% | 9% | 11 h 30 min |
| October 10 | 66°F | 33°F | 16% | 9% | 11 h 30 min |
| October 11 | 65°F | 33°F | 16% | 9% | 11 h 30 min |
| October 12 | 65°F | 33°F | 16% | 9% | 11 h 30 min |
| October 13 | 65°F | 32°F | 16% | 9% | 11 h 30 min |
| October 14 | 64°F | 32°F | 16% | 9% | 11 h 20 min |
| October 15 | 64°F | 32°F | 16% | 9% | 11 h 20 min |
| October 16 | 64°F | 31°F | 16% | 9% | 11 h 20 min |
| October 17 | 63°F | 31°F | 16% | 9% | 11 h 20 min |
| October 18 | 63°F | 31°F | 16% | 9% | 11 h 20 min |
| October 19 | 63°F | 30°F | 16% | 10% | 11 h 10 min |
| October 20 | 62°F | 30°F | 16% | 10% | 11 h 10 min |
| October 21 | 62°F | 30°F | 16% | 10% | 11 h 10 min |
| October 22 | 61°F | 30°F | 16% | 10% | 11 h 10 min |
| October 23 | 61°F | 29°F | 16% | 10% | 11 h |
| October 24 | 61°F | 29°F | 16% | 10% | 11 h |
| October 25 | 60°F | 29°F | 16% | 10% | 11 h |
| October 26 | 60°F | 29°F | 16% | 10% | 11 h |
| October 27 | 60°F | 28°F | 16% | 10% | 11 h |
| October 28 | 59°F | 28°F | 16% | 10% | 10 h 50 min |
| October 29 | 59°F | 28°F | 16% | 10% | 10 h 50 min |
| October 30 | 59°F | 28°F | 16% | 10% | 10 h 50 min |
| October 31 | 58°F | 27°F | 16% | 10% | 10 h 50 min |
- Normal high
- 64°FOctober average
- Normal low
- 32°FOctober average
- Precipitation
- 1.52 inmonth total
- Days with precipitation
- 50.01 inch or more
- Snowfall
- 1.5 inmonth total
- Nights at 32°F or colder
- 18
- Daylight
- 11 h 50 min to 10 h 50 minOctober 1 to October 31
- Days at 70°F or more
- 9
- Days at 80°F or more
- 1
- Sunshine
- 89%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00003103; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Flagstaff in October?
On a given October day the chance of 0.01 inch or more is 16% on average, highest around October 1 (18%). In all, 1.52 in falls on 5 days of a normal October.
In a normal October in Flagstaff, 18 nights fall to freezing and snowfall averages 1.5 inches.
Snow falls on 1 day in a normal October.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003103.
What are the records for October in Flagstaff?
The warmest October temperature on Flagstaff's official record (since 1898) is 85°F, on October 1, 1980; the coldest is −2°F, on October 30, 1971. The wettest October brought 9.86 in (1972); the snowiest, 24.7 inches (1971).
The October mean against the 1991-2020 normal of 47.6°F: 2021 44.5°F (−3.1), 2022 48.3°F (+0.7), 2023 50.2°F (+2.6), 2024 53.1°F (+5.5), 2025 50.0°F (+2.4). 4 of 5 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 44.5°F | −3.1°F | 1.69 in |
| 2022 | 48.3°F | +0.7°F | 1.44 in |
| 2023 | 50.2°F | +2.6°F | 1.04 in |
| 2024 | 53.1°F | +5.5°F | 3.21 in |
| 2025 | 50.0°F | +2.4°F | 3.63 in |
Source: records: ACIS, NWS threaded record FLGthr; recent months: ACIS, station USW00003103. Records and recent months use complete months only.
How does October in Flagstaff compare across Arizona?
Across the 97 places PlainClimate covers in Arizona, October normal highs run from 61°F in Greer to 93°F in Gila Bend; Flagstaff's is 64°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.