Idaho Falls weather in October 2025

Expect 16°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Idaho Falls in October. Check more long-term weather averages for Idaho Falls in October before you book your next holiday to Idaho in 2025/2026.

  • 16°C maximum daytime temperature in October in Idaho Falls16
    16°C max day temperature
  • 8 hours of sunshine per day
  • 5 days with some rainfall in October in Idaho Falls5
    5 days with some rainfall
  • -1°C minimum night-time temperature in October in Idaho Falls-1
    -1°C min night temperature
  • 11 hours of daylight per day in October in Idaho Falls11
    11 hours of daylight per day
  • No heat & humidity in October in Idaho Falls0
    No heat & humidity
  • 21 mm monthly rainfall in October in Idaho Falls21
    21 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in October in Idaho Falls4
    4 (Moderate) UV index

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The October weather guide for Idaho (Idaho Falls) 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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How warm is it in Idaho Falls in October?

Daytime temperatures usually reach 16°C in Idaho Falls in October, falling to -1°C at night.

How sunny is it in Idaho Falls in October?

There are normally 8 hours of bright sunshine each day in Idaho Falls in October - that's 68% of daylight hours.

Does it rain in Idaho Falls in October?

There are usually 5 days with some rain in Idaho Falls in October and the average monthly rainfall is 21mm.

Idaho Falls October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:26 18:08
Thursday, 16th October 2025 06:44 17:43
Friday, 31st October 2025 07:03 17:20

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