Grand Junction weather in August 2024

Expect 32°C daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Grand Junction in August. Check more long-term weather averages for Grand Junction in August before you book your next holiday to Colorado in 2024/2025.

  • 32°C maximum daytime temperature in August in Grand Junction32
    32°C max day temperature
  • 11 hours of sunshine per day
  • 6 days with some rainfall in August in Grand Junction6
    6 days with some rainfall
  • 15°C minimum night-time temperature in August in Grand Junction15
    15°C min night temperature
  • 14 hours of daylight per day in August in Grand Junction14
    14 hours of daylight per day
  • Moderate heat & humidity in August in Grand JunctionM
    Moderate heat & humidity
  • 22 mm monthly rainfall in August in Grand Junction22
    22 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in August in Grand Junction10
    10 (Very High) UV index

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The August 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 August?

Daytime temperatures usually reach 32°C in Grand Junction in August with moderate heat and humidity, falling to 15°C at night.

How sunny is it in Grand Junction in August?

There are normally 11 hours of bright sunshine each day in Grand Junction in August - that's 78% of daylight hours.

Does it rain in Grand Junction in August?

There are usually 6 days with some rain in Grand Junction in August and the average monthly rainfall is 22mm.

Grand Junction August sunrise & sunset times

Browse the sunrise and sunset times for Grand Junction in August 2024. Select a month to view Grand Junction sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st August 2024 06:15 20:25
Friday, 16th August 2024 06:29 20:07
Saturday, 31st August 2024 06:43 19:45

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