| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 40°F | 66°F | 52°F | 5.4" |
| February | 42°F | 71°F | 55°F | 5.8" |
| March | 47°F | 78°F | 62°F | 3.2" |
| April | 52°F | 84°F | 68°F | 4.5" |
| May | 60°F | 91°F | 76°F | 6.3" |
| June | 71°F | 102°F | 87°F | 2.7" |
| July | 75°F | 99°F | 86°F | 7.6" |
| August | 74°F | 98°F | 85°F | 4.9" |
| September | 69°F | 94°F | 81°F | 9.2" |
| October | 58°F | 87°F | 72°F | 3.2" |
| November | 49°F | 77°F | 62°F | 3.1" |
| December | 40°F | 66°F | 51°F | 4.9" |
| Index | Vail | Arizona | National |
| Air quality index | 47 | 57 | 42 |
| Pollution index | 4,063,380 | 9,766,019 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 225 |
| Days with moderate air quality | 138 |
| Days w/ poor A.Q. for sensitive groups | 2 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.004% |
| Benzene | 0.060% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.040% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Corona de Tucson, AZ | 9,492 | 47 | 6.0% |
| Tucson, AZ | 545,340 | 47 | 6.0% |
| Littletown, AZ | 645 | 47 | 6.0% |
| Rincon Valley, AZ | 5,337 | 47 | 6.0% |
| Pimaco Two, AZ | 615 | 47 | 6.0% |
| Vail, AZ | 14,099 | 47 | 6.0% |
| City | Population | Air Quality Index | National Avg. |
| Swansea, IL | 14,100 | 54 | 8.0% |
| Willowick, OH | 14,103 | 50 | = 100 |
| Auburn, CA | 14,104 | 52 | 4.0% |
| Red Bluff, CA | 14,091 | 41 | 18.0% |
| Lake Wylie, SC | 14,091 | 49 | 2.0% |
| Vail, AZ | 14,099 | 47 | 6.0% |
Here are the best places to live in Arizona
Check out the 10 most dangerous cities in Arizona
See the best places to live in Vail
These are the 10 cheapest cities in Arizona