Grand Canyon weather in August 2021

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  • 32°C maximum daytime temperature in August in Grand Canyon32
    32°C max day temperature
  • 11 hours of sunshine per day
  • 7 days with some rainfall in August in Grand Canyon7
    7 days with some rainfall
  • 14°C minimum night-time temperature in August in Grand Canyon14
    14°C min night temperature
  • 13 hours of daylight per day in August in Grand Canyon13
    13 hours of daylight per day
  • Low heat & humidity in August in Grand CanyonL
    Low heat & humidity
  • 39 mm monthly rainfall in August in Grand Canyon39
    39 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in August in Grand Canyon10
    10 (Very High) UV index

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The August weather guide for Grand Canyon, Arizona 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 Grand Canyon in August?

Daytime temperatures usually reach 32°C in Grand Canyon in August with low heat and humidity, falling to 14°C at night.

How sunny is it in Grand Canyon in August?

There are normally 11 hours of bright sunshine each day in Grand Canyon in August - that's 79% of daylight hours.

Does it rain in Grand Canyon in August?

There are usually 7 days with some rain in Grand Canyon in August and the average monthly rainfall is 39mm.

Grand Canyon sunrise & sunset times for August 2021

Browse the sunrise & sunset times for Grand Canyon in August 2021. Select a month to view Grand Canyon sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st August 2021 05:36 19:33
Monday, 16th August 2021 05:48 19:17
Tuesday, 31st August 2021 06:00 18:57
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Metric (°C / mm)  |  Imperial (°F / inches)

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Where is hot in Arizona in August for 2021/2022?

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

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