Flagstaff weather in October 2025

Expect 17°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Flagstaff in October. Check more long-term weather averages for Flagstaff in October before you book your next holiday to Arizona in 2025/2026.

  • 17°C maximum daytime temperature in October in Flagstaff17
    17°C max day temperature
  • 9 hours of sunshine per day
  • 5 days with some rainfall in October in Flagstaff5
    5 days with some rainfall
  • -3°C minimum night-time temperature in October in Flagstaff-3
    -3°C min night temperature
  • 11 hours of daylight per day in October in Flagstaff11
    11 hours of daylight per day
  • No heat & humidity in October in Flagstaff0
    No heat & humidity
  • 38 mm monthly rainfall in October in Flagstaff38
    38 mm of monthly rainfall
  • UV (maximum) index 6 (High) in October in Flagstaff6
    6 (High) UV index

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The October weather guide for Arizona (Flagstaff) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Arizona

How warm is it in Flagstaff in October?

Daytime temperatures usually reach 17°C in Flagstaff in October, falling to -3°C at night.

How sunny is it in Flagstaff in October?

There are normally 9 hours of bright sunshine each day in Flagstaff in October - that's 80% of daylight hours.

Does it rain in Flagstaff in October?

There are usually 5 days with some rain in Flagstaff in October and the average monthly rainfall is 38mm.

Flagstaff October sunrise & sunset times

Browse the sunrise and sunset times for Flagstaff in October 2025. Select a month to view Flagstaff sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:22 18:10
Thursday, 16th October 2025 06:34 17:50
Friday, 31st October 2025 06:47 17:33

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