Sun Valley weather in August 2019

  • 25°C maximum daytime temperature in August in Sun Valley25
    25°C max day temperature
  • 10 hours of sunshine per day
  • 8 days with some rainfall in August in Sun Valley8
    8 days with some rainfall
  • 5°C minimum night-time temperature in August in Sun Valley5
    5°C min night temperature
  • 14 hours of daylight per day in August in Sun Valley14
    14 hours of daylight per day
  • No heat & humidity in August in Sun Valley0
    No heat & humidity
  • 27 mm monthly rainfall in August in Sun Valley27
    27 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in August in Sun Valley9
    9 (Very High) UV index

Going to Sun Valley? Find the best month to visit Sun Valley based on the weather.

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Expect 25°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Sun Valley in August. Check more long-term weather averages for Sun Valley in August before you book your next holiday to Idaho in 2019/2020.

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More about Sun Valley

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The August weather guide for Sun Valley, Idaho 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 Sun Valley weather in August

The average maximum daytime temperature in Sun Valley in August is a warm 25°C (77°F). The average night-time temperature is usually a cold 5°C (41°F). There are usually 10 hours of bright sunshine each day, which represents 75% of the 14 hours of daylight.

Expect 27mm (1.1 inches) of rainfall across the whole of August with 8 days with some rain falling. Maximum UV levels will be very high (9 UV index) at midday when the skies are clear.

Sun Valley sunrise & sunset times for August 2019

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st August 2019 06:26 21:01
Friday, 2nd August 2019 06:27 20:59
Saturday, 3rd August 2019 06:28 20:58
Sunday, 4th August 2019 06:30 20:57
Monday, 5th August 2019 06:31 20:55
Tuesday, 6th August 2019 06:32 20:54
Wednesday, 7th August 2019 06:33 20:53
Thursday, 8th August 2019 06:34 20:51
Friday, 9th August 2019 06:35 20:50
Saturday, 10th August 2019 06:36 20:49
Sunday, 11th August 2019 06:37 20:47
Monday, 12th August 2019 06:38 20:46
Tuesday, 13th August 2019 06:40 20:44
Wednesday, 14th August 2019 06:41 20:43
Thursday, 15th August 2019 06:42 20:41
Friday, 16th August 2019 06:43 20:40
Saturday, 17th August 2019 06:44 20:38
Sunday, 18th August 2019 06:45 20:37
Monday, 19th August 2019 06:46 20:35
Tuesday, 20th August 2019 06:47 20:33
Wednesday, 21st August 2019 06:49 20:32
Thursday, 22nd August 2019 06:50 20:30
Friday, 23rd August 2019 06:51 20:29
Saturday, 24th August 2019 06:52 20:27
Sunday, 25th August 2019 06:53 20:25
Monday, 26th August 2019 06:54 20:23
Tuesday, 27th August 2019 06:55 20:22
Wednesday, 28th August 2019 06:56 20:20
Thursday, 29th August 2019 06:57 20:18
Friday, 30th August 2019 06:59 20:17
Saturday, 31st August 2019 07:00 20:15
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