Idaho weather in August 2021

Get the latest coronavirus (Covid-19) updates for Idaho with current travel advice and statistics on new cases per 100,000 and vaccine.

Below are average maximum temperatures at popular destinations in Idaho in August. Select a destination to see more weather parameters.

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The August weather guide for 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.

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How hot is it in Idaho in August?

Daytime temperatures usually reach 31°C in Boise, Idaho in August with moderate heat and humidity, falling to 13°C at night.

How sunny is it in Idaho in August?

There are normally 12 hours of bright sunshine each day in Boise, Idaho in August - that's 83% of daylight hours.

Does it ever rain in Idaho in August?

There are usually 3 days with some rain in Boise, Idaho in August and the average monthly rainfall is 10mm.

Metric (°C / mm)  |  Imperial (°F / inches)

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Idaho sunrise & sunset times for August 2021

Browse the sunrise and sunset times for Idaho in August 2021. Select a month to view Idaho sunrise & sunset times for the next 12 months. The Idaho sunrise and sunset times shown below are for Boise.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st August 2021 06:35 21:07
Monday, 16th August 2021 06:51 20:46
Tuesday, 31st August 2021 07:08 20:21
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