Grand Junction weather in October 2025

Expect 20°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Grand Junction in October. Check more long-term weather averages for Grand Junction in October before you book your next holiday to Colorado in 2025/2026.

  • 20°C maximum daytime temperature in October in Grand Junction20
    20°C max day temperature
  • 8 hours of sunshine per day
  • 5 days with some rainfall in October in Grand Junction5
    5 days with some rainfall
  • 4°C minimum night-time temperature in October in Grand Junction4
    4°C min night temperature
  • 11 hours of daylight per day in October in Grand Junction11
    11 hours of daylight per day
  • No heat & humidity in October in Grand Junction0
    No heat & humidity
  • 25 mm monthly rainfall in October in Grand Junction25
    25 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in October in Grand Junction5
    5 (Moderate) UV index

More about Grand Junction

Grand Junction by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Colorado

Avalon Waterways: Current offers on 2024 river cruises

  • Save on river cruises in 2024 with Avalon Waterways
  • Book river cruises in Europe, Asia, Africa & Americas
  • Filter deals by promotion, month, destination & more
Go to Avalon Waterways deal >>

Expires at 23:59 on Tuesday 31st Dec 2024 · View all Avalon Waterways offers

The October weather guide for Colorado (Grand Junction) 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)

Back to top

More about the USA

How hot is it in Grand Junction in October?

Daytime temperatures usually reach 20°C in Grand Junction in October, falling to 4°C at night.

How sunny is it in Grand Junction in October?

There are normally 8 hours of bright sunshine each day in Grand Junction in October - that's 74% of daylight hours.

Does it rain in Grand Junction in October?

There are usually 5 days with some rain in Grand Junction in October and the average monthly rainfall is 25mm.

Grand Junction October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:11 17:56
Thursday, 16th October 2025 06:25 17:34
Friday, 31st October 2025 06:41 17:14

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^