Phoenix (Arizona) in august: average Weather, Temperature and Climate
Weather in Phoenix (Arizona) in august 2025
The weather in Phoenix (Arizona) in the month of august comes from statistical datas on the last years. You can view the weather statistics for all the month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout august
tolerable weather UV index: 9
Weather at 6am
88°F
Clear/Sunny
74% of time
16%
8%
3%
Weather at 12pm
101°F
Clear/Sunny
73% of time
20%
6%
2%
Weather at 6pm
104°F
Clear/Sunny
78% of time
19%
3%
2%
Weather at 3am
92°F
69%
14%
13%
4%
Evolution of daily average temperature and precipitation in Phoenix (Arizona) in august
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Phoenix (Arizona) in august.
The climate of Phoenix (Arizona) in august is tolerable
The weather in august in Phoenix (Arizona) is relatively dry (with 1.6in of rainfall over 2 days). The situation is deteriorating compared to the previous month since in july there is an average of 2in of precipitation over 3 days.
The climate is very hot in this city in august. Temperatures are up to 106°F. On average, the recorded minimum temperature is 88°F. Thus, the mean temperature average on this month of august in Phoenix (Arizona) is 97°F. Note that these seasonal averages are in contrast with those observed in Phoenix (Arizona) in the month of august with a maximum record of 119°F in 2020 and a minimum record of 72°F in 2009. You You can hope to have 86°F or more throughout the month.
On this month of august, day length in Phoenix (Arizona) is generally 13:23. The sun rises at 05:51 and sets at 19:14.
With a correct climate, this month is okay (but not the best) to go in Phoenix (Arizona) in United States.
Phoenix (Arizona): another month?
If you can push back the dates of your trip, we advise you to go in september to Phoenix (Arizona). more information
August: another location in the United States (USA)?
If you want to go to the United States (USA) in august, there are destinations with better weather than Phoenix (Arizona):
In august, Grand Canyon, Hawaii (Honolulu), Salt Lake City, Seattle, Denver and Minneapolis (Minnesota) have perfect weather.
Furthermore, California, Washington D. C., Atlanta, Boston, Chicago and Dallas have good weather.
Seasonal average climate and temperature of Phoenix (Arizona) in august
Check below seasonal norms These datas are set from the weather statements of the last years of august.
| August | |||||
| Outside temperature | |||||
| Average temperature | 97°F | ||||
| Highest temperature | 106°F | ||||
| Lowest temperature | 88°F | ||||
| Highest record temperature | 119°F (2020) | ||||
| Lowest record temperature | 72°F (2009) | ||||
| Number of days at +86°F | 31 day(s) (100%) | ||||
| Number of days at +65°F | 31 day(s) (100%) | ||||
| Wind | |||||
| Wind speed | 12km/h | ||||
| Wind temperature | 88°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 1.6in | ||||
| Number of days with rainfall | 2 day(s) (7%) | ||||
| Record daily rainfall | 1.7in (2014) | ||||
| Other climate data | |||||
| Humidity | 41% | ||||
| Visibility | 9.88km | ||||
| Cloud cover | 12% | ||||
| UV index | 9 | ||||
| Daily sunshine hours | 14 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:51 | ||||
| Time of sunset | 19:14 | ||||
| Length of day | 13:23 | ||||
| Our opinion about the weather in august | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last august?
Here is the day by day recorded weather in Phoenix (Arizona) in august 2024:
88°F to 103°F
92°F to 108°F
95°F to 110°F
95°F to 110°F
94°F to 110°F
94°F to 104°F
86°F to 103°F
88°F to 103°F
90°F to 104°F
95°F to 108°F
92°F to 103°F
88°F to 101°F
90°F to 99°F
92°F to 103°F
92°F to 104°F
94°F to 106°F
94°F to 104°F
92°F to 104°F
94°F to 108°F
95°F to 106°F
88°F to 103°F
85°F to 101°F
90°F to 103°F
88°F to 101°F
88°F to 101°F
90°F to 104°F
92°F to 103°F
90°F to 103°F
90°F to 104°F
90°F to 106°F
92°F to 103°F
Map: other cities in the United States (USA) in august
Cities near Phoenix (Arizona):
| Tucson in august | good weather |
| Flagstaff (Route 66) in august | good weather |
| Lake Havasu City in august | good weather |
| Grand Canyon in august | perfect weather |
| Laughlin in august | good weather |
| Havasu Falls (Arizona) in august | perfect weather |
| Page (Arizona) in august | perfect weather |
| Las Vegas in august | good weather |
| Monument Valley in august | good weather |
| Zion National Park in august | good weather |
| Bryce Canyon in august | good weather |
| Mesa Verde National Park (Colorado) in august | perfect weather |
Click over cities on the map for information about the weather in august.
Phoenix (Arizona)
perfect weather
good
tolerable
bad
very bad
Weather data for Phoenix (Arizona) in august:
Weather data for Phoenix (Arizona) for august are derived from an average of the weather forecast since 2009 in Phoenix (Arizona). There is a margin of error and these forecasts are to be considered as general information only. The weather in Phoenix (Arizona) can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Phoenix (Arizona).