Grand Junction weather in July 2025

Expect 34°C daytime maximum temperatures in the shade with on average 12 hours of sunshine per day in Grand Junction in July. Check more long-term weather averages for Grand Junction in July before you book your next holiday to Colorado in 2025/2026.

  • 34°C maximum daytime temperature in July in Grand Junction34
    34°C max day temperature
  • 12 hours of sunshine per day
  • 6 days with some rainfall in July in Grand Junction6
    6 days with some rainfall
  • 16°C minimum night-time temperature in July in Grand Junction16
    16°C min night temperature
  • 15 hours of daylight per day in July in Grand Junction15
    15 hours of daylight per day
  • High heat & humidity in July in Grand JunctionH
    High heat & humidity
  • 18 mm monthly rainfall in July in Grand Junction18
    18 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in July in Grand Junction11
    11 (Extreme) UV index

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The July 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)

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How hot is it in Grand Junction in July?

Daytime temperatures usually reach 34°C in Grand Junction in July with high heat and humidity, falling to 16°C at night.

How sunny is it in Grand Junction in July?

There are normally 12 hours of bright sunshine each day in Grand Junction in July - that's 79% of daylight hours.

Does it rain in Grand Junction in July?

There are usually 6 days with some rain in Grand Junction in July and the average monthly rainfall is 18mm.

Grand Junction July sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 04:52 19:44
Wednesday, 16th July 2025 05:02 19:39
Thursday, 31st July 2025 05:14 19:26

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