Lewiston weather in August 2019

  • 31°C maximum daytime temperature in August in Lewiston31
    31°C max day temperature
  • 12 hours of sunshine per day
  • 5 days with some rainfall in August in Lewiston5
    5 days with some rainfall
  • 13°C minimum night-time temperature in August in Lewiston13
    13°C min night temperature
  • 14 hours of daylight per day in August in Lewiston14
    14 hours of daylight per day
  • Moderate heat & humidity in August in LewistonM
    Moderate heat & humidity
  • 21 mm monthly rainfall in August in Lewiston21
    21 mm of monthly rainfall
  • UV (maximum) index 7 (High) in August in Lewiston7
    7 (High) UV index

Going to Lewiston? Find the best month to visit Lewiston 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 Lewiston in August. Check more long-term weather averages for Lewiston in August before you book your next holiday to Idaho in 2019/2020.

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More about Lewiston

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The August weather guide for Lewiston, 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 Lewiston weather in August

The average maximum daytime temperature in Lewiston 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 87% of the 14 hours of daylight.

Expect 21mm (0.8 inches) of rainfall across the whole of August with 5 days with some rain falling. Maximum UV levels will be high (7 UV index) at midday when the skies are clear.

Lewiston sunrise & sunset times for August 2019

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st August 2019 05:29 20:19
Friday, 2nd August 2019 05:30 20:17
Saturday, 3rd August 2019 05:32 20:16
Sunday, 4th August 2019 05:33 20:15
Monday, 5th August 2019 05:34 20:13
Tuesday, 6th August 2019 05:35 20:12
Wednesday, 7th August 2019 05:36 20:10
Thursday, 8th August 2019 05:38 20:09
Friday, 9th August 2019 05:39 20:07
Saturday, 10th August 2019 05:40 20:06
Sunday, 11th August 2019 05:41 20:04
Monday, 12th August 2019 05:43 20:03
Tuesday, 13th August 2019 05:44 20:01
Wednesday, 14th August 2019 05:45 19:59
Thursday, 15th August 2019 05:47 19:58
Friday, 16th August 2019 05:48 19:56
Saturday, 17th August 2019 05:49 19:54
Sunday, 18th August 2019 05:50 19:53
Monday, 19th August 2019 05:52 19:51
Tuesday, 20th August 2019 05:53 19:49
Wednesday, 21st August 2019 05:54 19:47
Thursday, 22nd August 2019 05:55 19:46
Friday, 23rd August 2019 05:57 19:44
Saturday, 24th August 2019 05:58 19:42
Sunday, 25th August 2019 05:59 19:40
Monday, 26th August 2019 06:00 19:38
Tuesday, 27th August 2019 06:02 19:37
Wednesday, 28th August 2019 06:03 19:35
Thursday, 29th August 2019 06:04 19:33
Friday, 30th August 2019 06:05 19:31
Saturday, 31st August 2019 06:07 19:29
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