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Phoenix weather in August 2021
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- 3939°C max day temperature
- 55 days with some rainfall
- 2424°C min night temperature
- 1313 hours of daylight per day
- VHVery High heat & humidity
- 3232 mm of monthly rainfall
- 1010 (Very High) UV index
Recommended for Arizona
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.
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.
|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|
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Metric (°C / mm) | Imperial (°F / inches)
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.
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