Boise weather in August 2019

  • 31°C maximum daytime temperature in August in Boise31
    31°C max day temperature
  • 12 hours of sunshine per day
  • 3 days with some rainfall in August in Boise3
    3 days with some rainfall
  • 13°C minimum night-time temperature in August in Boise13
    13°C min night temperature
  • 14 hours of daylight per day in August in Boise14
    14 hours of daylight per day
  • Moderate heat & humidity in August in BoiseM
    Moderate heat & humidity
  • 10 mm monthly rainfall in August in Boise10
    10 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Boise8
    8 (Very High) UV index

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

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Expect 31°C daytime maximum temperatures in the shade with on average 12 hours of sunshine per day in Boise in August. Check more long-term weather averages for Boise in August before you book your next holiday to Idaho in 2019/2020.

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More about Boise

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The August weather guide for Boise, 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 Boise weather in August

The average maximum daytime temperature in Boise in August is a hot 31°C (88°F) with moderate heat & humidity. The average night-time temperature is usually a cool 13°C (55°F). There are usually 12 hours of bright sunshine each day, which represents 83% of the 14 hours of daylight.

Expect 10mm (0.4 inches) of rainfall across the whole of August with 3 days with some rain falling. Maximum UV levels will be very high (8 UV index) at midday when the skies are clear.

Boise sunrise & sunset times for August 2019

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st August 2019 06:34 21:08
Friday, 2nd August 2019 06:35 21:06
Saturday, 3rd August 2019 06:36 21:05
Sunday, 4th August 2019 06:37 21:04
Monday, 5th August 2019 06:38 21:03
Tuesday, 6th August 2019 06:39 21:01
Wednesday, 7th August 2019 06:41 21:00
Thursday, 8th August 2019 06:42 20:59
Friday, 9th August 2019 06:43 20:57
Saturday, 10th August 2019 06:44 20:56
Sunday, 11th August 2019 06:45 20:54
Monday, 12th August 2019 06:46 20:53
Tuesday, 13th August 2019 06:47 20:52
Wednesday, 14th August 2019 06:48 20:50
Thursday, 15th August 2019 06:49 20:49
Friday, 16th August 2019 06:51 20:47
Saturday, 17th August 2019 06:52 20:45
Sunday, 18th August 2019 06:53 20:44
Monday, 19th August 2019 06:54 20:42
Tuesday, 20th August 2019 06:55 20:41
Wednesday, 21st August 2019 06:56 20:39
Thursday, 22nd August 2019 06:57 20:37
Friday, 23rd August 2019 06:58 20:36
Saturday, 24th August 2019 06:59 20:34
Sunday, 25th August 2019 07:01 20:33
Monday, 26th August 2019 07:02 20:31
Tuesday, 27th August 2019 07:03 20:29
Wednesday, 28th August 2019 07:04 20:27
Thursday, 29th August 2019 07:05 20:26
Friday, 30th August 2019 07:06 20:24
Saturday, 31st August 2019 07:07 20:22
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