Average Rainfall for Arizona in August





The tables below give monthly averages for rainfall during August at cities, towns and parks in Arizona.

Each place has a total for the amount of precipitation it usually receives this month.

There is also a count of the number of days with wet weather, when precipitation amounts to 0.01 inches (0.25 millimetres) or more.

The rainfall totals are averages based on weather data collected from 1991 to 2020 for the US National Centers for Environmental Information.

You'll find separate tables for each region of the state: Southern Arizona, Western Arizona, Phoenix Area, Central Arizona, and Northern Arizona.

Southern Arizona

Average monthly precipitation in August
Days Place Inches Milli­metres
13 Bisbee 4.3 108
13 Chiricahua National Monument 4.6 116
14 Coronado National Monument 4.8 121
12 Douglas 2.9 74
10 Green Valley 2.7 68
14 Nogales 3.9 99
6 Organ Pipe Cactus Monument 1.8 46
11 Sierra Vista 3.3 84
11 Tombstone 3.1 78
9 Tucson 2.0 50

Western Arizona

August averages for total rainfall
Days Place Inches Milli­metres
1 Bullhead City 0.5 12
5 Kingman 0.9 22
2 Lake Havasu City 0.4 10
1 Parker 0.4 11
1 Yuma 0.2 5

Phoenix Area

Average amount of rain in August
Days Place Inches Milli­metres
6 Apache Junction 1.5 38
5 Mesa 1.1 29
5 Phoenix 0.9 24
4 Scottsdale 0.8 21
3 South Phoenix 0.8 19
5 Tempe 1.3 33

Central Arizona

Rainfall totals for August
Days Place Inches Milli­metres
5 Casa Grande 1.5 39
10 Globe 2.1 53
16 Greer 4.8 122
11 Jerome 3.0 77
9 Painted Desert National Park 1.7 44
11 Payson 2.6 66
9 Petrified Forest National Park 1.6 40
10 Prescott 2.8 71
9 Sedona 2.0 52
15 Show Low 3.0 75
5 Stewart Mountain 1.4 35
5 Wickenburg 2.0 50

Northern Arizona

Total precipitation during August
Days Place Inches Milli­metres
7 Canyon de Chelly 1.3 33
13 Flagstaff 3.0 77
10 Grand Canyon Village 2.2 56
7 Page 0.9 24
7 Pipe Springs Monument 1.3 33
13 Williams 3.4 86
Reference

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

Arizona Precipitation
Back to Top