Missoula weather in October 2025

Expect 14°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Missoula in October. Check more long-term weather averages for Missoula in October before you book your next holiday to Montana in 2025/2026.

  • 14°C maximum daytime temperature in October in Missoula14
    14°C max day temperature
  • 6 hours of sunshine per day
  • 8 days with some rainfall in October in Missoula8
    8 days with some rainfall
  • -1°C minimum night-time temperature in October in Missoula-1
    -1°C min night temperature
  • 11 hours of daylight per day in October in Missoula11
    11 hours of daylight per day
  • No heat & humidity in October in Missoula0
    No heat & humidity
  • 21 mm monthly rainfall in October in Missoula21
    21 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in October in Missoula3
    3 (Moderate) UV index

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The October weather guide for Montana (Missoula) 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 the USA

How warm is it in Missoula in October?

Daytime temperatures usually reach 14°C in Missoula in October, falling to -1°C at night.

How sunny is it in Missoula in October?

There are normally 6 hours of bright sunshine each day in Missoula in October - that's 57% of daylight hours.

Does it rain in Missoula in October?

There are usually 8 days with some rain in Missoula in October and the average monthly rainfall is 21mm.

Missoula October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:35 18:15
Thursday, 16th October 2025 06:56 17:46
Friday, 31st October 2025 07:18 17:21

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