Grand Junction weather in August 2019

  • 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

Going to Grand Junction? Find the best month to visit Grand Junction based on the weather.

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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 2019/2020.

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More about Grand Junction

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The August weather guide for Grand Junction, Colorado 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)

Guide to Grand Junction weather in August

The average maximum daytime temperature in Grand Junction in August is a hot 32°C (90°F) with moderate heat & humidity. The average night-time temperature is usually a comfortable 15°C (59°F). There are usually 11 hours of bright sunshine each day, which represents 78% of the 14 hours of daylight.

Expect 22mm (0.9 inches) of rainfall across the whole of August with 6 days with some rain falling. Maximum UV levels will be very high (10 UV index) at midday when the skies are clear.

Grand Junction sunrise & sunset times for August 2019

Browse the sunrise & sunset times for Grand Junction in August 2019. Select a month to view Grand Junction sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st August 2019 06:15 20:26
Friday, 2nd August 2019 06:16 20:25
Saturday, 3rd August 2019 06:16 20:24
Sunday, 4th August 2019 06:17 20:23
Monday, 5th August 2019 06:18 20:22
Tuesday, 6th August 2019 06:19 20:20
Wednesday, 7th August 2019 06:20 20:19
Thursday, 8th August 2019 06:21 20:18
Friday, 9th August 2019 06:22 20:17
Saturday, 10th August 2019 06:23 20:16
Sunday, 11th August 2019 06:24 20:15
Monday, 12th August 2019 06:25 20:13
Tuesday, 13th August 2019 06:26 20:12
Wednesday, 14th August 2019 06:26 20:11
Thursday, 15th August 2019 06:27 20:09
Friday, 16th August 2019 06:28 20:08
Saturday, 17th August 2019 06:29 20:07
Sunday, 18th August 2019 06:30 20:05
Monday, 19th August 2019 06:31 20:04
Tuesday, 20th August 2019 06:32 20:03
Wednesday, 21st August 2019 06:33 20:01
Thursday, 22nd August 2019 06:34 20:00
Friday, 23rd August 2019 06:35 19:58
Saturday, 24th August 2019 06:36 19:57
Sunday, 25th August 2019 06:37 19:56
Monday, 26th August 2019 06:37 19:54
Tuesday, 27th August 2019 06:38 19:53
Wednesday, 28th August 2019 06:39 19:51
Thursday, 29th August 2019 06:40 19:50
Friday, 30th August 2019 06:41 19:48
Saturday, 31st August 2019 06:42 19:47
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