Great Falls weather in August 2019

  • 28°C maximum daytime temperature in August in Great Falls28
    28°C max day temperature
  • 11 hours of sunshine per day
  • 8 days with some rainfall in August in Great Falls8
    8 days with some rainfall
  • 11°C minimum night-time temperature in August in Great Falls11
    11°C min night temperature
  • 14 hours of daylight per day in August in Great Falls14
    14 hours of daylight per day
  • Low heat & humidity in August in Great FallsL
    Low heat & humidity
  • 36 mm monthly rainfall in August in Great Falls36
    36 mm of monthly rainfall
  • UV (maximum) index 7 (High) in August in Great Falls7
    7 (High) UV index

Going to Great Falls? Find the best month to visit Great Falls based on the weather.

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Expect 28°C daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Great Falls in August. Check more long-term weather averages for Great Falls in August before you book your next holiday to Montana in 2019/2020.

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More about Great Falls

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The August weather guide for Great Falls, Montana 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 Great Falls weather in August

The average maximum daytime temperature in Great Falls in August is a warm 28°C (82°F) with low heat & humidity. The average night-time temperature is usually a cool 11°C (52°F). There are usually 11 hours of bright sunshine each day, which represents 75% of the 14 hours of daylight.

Expect 36mm (1.4 inches) of rainfall across the whole of August with 8 days with some rain falling. Maximum UV levels will be high (7 UV index) at midday when the skies are clear.

Great Falls sunrise & sunset times for August 2019

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st August 2019 06:03 20:59
Friday, 2nd August 2019 06:04 20:58
Saturday, 3rd August 2019 06:05 20:57
Sunday, 4th August 2019 06:07 20:55
Monday, 5th August 2019 06:08 20:54
Tuesday, 6th August 2019 06:09 20:52
Wednesday, 7th August 2019 06:10 20:51
Thursday, 8th August 2019 06:12 20:49
Friday, 9th August 2019 06:13 20:47
Saturday, 10th August 2019 06:14 20:46
Sunday, 11th August 2019 06:16 20:44
Monday, 12th August 2019 06:17 20:43
Tuesday, 13th August 2019 06:18 20:41
Wednesday, 14th August 2019 06:20 20:39
Thursday, 15th August 2019 06:21 20:37
Friday, 16th August 2019 06:22 20:36
Saturday, 17th August 2019 06:24 20:34
Sunday, 18th August 2019 06:25 20:32
Monday, 19th August 2019 06:26 20:30
Tuesday, 20th August 2019 06:28 20:29
Wednesday, 21st August 2019 06:29 20:27
Thursday, 22nd August 2019 06:30 20:25
Friday, 23rd August 2019 06:32 20:23
Saturday, 24th August 2019 06:33 20:21
Sunday, 25th August 2019 06:34 20:19
Monday, 26th August 2019 06:36 20:17
Tuesday, 27th August 2019 06:37 20:15
Wednesday, 28th August 2019 06:38 20:13
Thursday, 29th August 2019 06:40 20:12
Friday, 30th August 2019 06:41 20:10
Saturday, 31st August 2019 06:42 20:08
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