Colorado weather in October 2025

Expect 19°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Colorado in October. Check more long-term weather averages for Colorado in October before you book your next holiday to Colorado in 2025/2026.

  • 19°C maximum daytime temperature in October in Colorado (Denver)19
    19°C max day temperature
  • 8 hours of sunshine per day
  • 5 days with some rainfall in October in Colorado (Denver)5
    5 days with some rainfall
  • 2°C minimum night-time temperature in October in Colorado (Denver)2
    2°C min night temperature
  • 11 hours of daylight per day in October in Colorado (Denver)11
    11 hours of daylight per day
  • No heat & humidity in October in Colorado (Denver)0
    No heat & humidity
  • 24 mm monthly rainfall in October in Colorado (Denver)24
    24 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in October in Colorado (Denver)5
    5 (Moderate) UV index

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The October weather guide for Colorado (Denver) 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.

Top Colorado destinations

Below are average maximum temperatures at popular countries, regions and places in Colorado in October. Select a holiday destination to see more weather parameters.

All Colorado destinations

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

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More about the USA

How hot is it in Colorado in October?

Daytime temperatures usually reach 19°C in Denver, Colorado in October, falling to 2°C at night.

How sunny is it in Colorado in October?

There are normally 8 hours of bright sunshine each day in Denver, Colorado in October - that's 72% of daylight hours.

Does it rain in Colorado in October?

There are usually 5 days with some rain in Denver, Colorado in October and the average monthly rainfall is 24mm.

Colorado October sunrise & sunset times

Browse the sunrise and sunset times for Colorado in October 2025. Select a month to view Colorado sunrise and sunset times for the next 12 months. The Colorado sunrise and sunset times shown below are for Denver.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 05:57 17:42
Thursday, 16th October 2025 06:12 17:19
Friday, 31st October 2025 06:28 16:59

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