Phoenix August Weather

Averages and records for weather in Phoenix, Arizona in the month of August.
Typical Phoenix August Weather
1991–2020
Average daily high 105.1 °F
Average daily low 83.4 °F
Average monthly precipitation 0.9 inches
Daily chance of precipitation 14.9%
Phoenix August Weather Records
1905–2024
Highest temperature 118 °F August 6, 1905
Lowest temperature 53 °F August 23, 1926
Highest daily low 95 °F August 5, 2009
Lowest daily high 73 °F August 27, 1951
Hottest average high temperature 110.7 °F 2020
Coldest average high temperature 97.0 °F 1955
Most daily precipitation 3.0 inches August 3, 1943
Most monthly precipitation 5.6 inches 1951
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
August 1 105.8 84.2 116 61
August 2 105.8 84.2 113 65
August 3 105.8 84.1 114 65
August 4 105.8 84.1 116 64
August 5 105.7 84.0 116 60
August 6 105.7 84.0 118 54
August 7 105.7 84.0 117 64
August 8 105.7 83.9 116 68
August 9 105.6 83.9 114 64
August 10 105.5 83.8 117 64
August 11 105.4 83.7 114 61
August 12 105.2 83.6 115 63
August 13 105.2 83.5 115 60
August 14 105.2 83.5 117 61
August 15 105.2 83.4 115 61
August 16 105.2 83.4 115 61
August 17 105.1 83.3 115 60
August 18 105.0 83.2 115 59
August 19 104.9 83.1 115 59
August 20 104.8 83.0 113 58
August 21 104.8 82.9 114 55
August 22 104.6 82.8 113 54
August 23 104.6 82.8 114 53
August 24 104.5 82.7 115 60
August 25 104.3 82.5 113 62
August 26 104.1 82.4 117 62
August 27 103.9 82.2 114 60
August 28 103.7 82.0 117 57
August 29 103.6 81.8 116 58
August 30 103.5 81.7 113 58
August 31 103.3 81.4 115 58
Weather Station Details
Years Station Coordinates
1933–2024 Phoenix Sky Harbor International Airport location
1905–1933 Tempe 3 S location