Phoenix weather in August 2021

Get the latest coronavirus (COVID-19) updates for the USA with current travel advice, statistics and online resources.

  • 39°C maximum daytime temperature in August in Phoenix39
    39°C max day temperature
  • 12 hours of sunshine per day
  • 5 days with some rainfall in August in Phoenix5
    5 days with some rainfall
  • 24°C minimum night-time temperature in August in Phoenix24
    24°C min night temperature
  • 13 hours of daylight per day in August in Phoenix13
    13 hours of daylight per day
  • Very high heat & humidity in August in PhoenixVH
    Very High heat & humidity
  • 32 mm monthly rainfall in August in Phoenix32
    32 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in August in Phoenix10
    10 (Very High) UV index

Recommended for Arizona

  • Top deals & discounts
  • Phoenix weather overview
  • Phoenix climate averages by month
  • More destinations
  • Best time to go to Phoenix
  • Phoenix 5-day weather forecast

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The August weather guide for Phoenix, 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.

  • Save on hotels, restaurants, spas & more with Travelzoo
  • Book online with fully refundable vouchers
  • Filter vouchers by theme, price, type & more

How hot is it in Phoenix in August?

Daytime temperatures usually reach 39°C in Phoenix in August with very high heat and humidity, falling to 24°C at night.

How sunny is it in Phoenix in August?

There are normally 12 hours of bright sunshine each day in Phoenix in August - that's 86% of daylight hours.

Does it ever rain in Phoenix in August?

There are usually 5 days with some rain in Phoenix in August and the average monthly rainfall is 32mm.

Phoenix sunrise & sunset times for August 2021

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st August 2021 05:41 19:28
Monday, 16th August 2021 05:52 19:13
Tuesday, 31st August 2021 06:02 18:55
  • Save EXTRA 6% on car hire worldwide with Enjoy Travel
  • Book car hire for destinations in the UK, Europe & beyond
  • Discount code cannot be combined with other promotions
Show discount codeShow discount code ******JY6

Expires at 23:59 on Thursday 31st Dec 2020 · View all Enjoy Travel offers

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

Back to top

Discover more about Arizona

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.

More destinations & map >>

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.