| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 41°F | 64°F | 50°F | 4.8" |
| February | 45°F | 68°F | 55°F | 1.1" |
| March | 47°F | 75°F | 60°F | 2.2" |
| April | 53°F | 83°F | 68°F | 2.8" |
| May | 63°F | 93°F | 78°F | 1.1" |
| June | 71°F | 100°F | 87°F | 0.0" |
| July | 77°F | 101°F | 88°F | 8.8" |
| August | 74°F | 96°F | 84°F | 8.1" |
| September | 71°F | 96°F | 82°F | 4.1" |
| October | 59°F | 87°F | 72°F | 1.8" |
| November | 51°F | 78°F | 64°F | 0.0" |
| December | 40°F | 66°F | 51°F | 1.5" |
| Index | Fairgrounds | Tucson | Arizona |
| Air quality index | 47 | 47 | 57 |
| Pollution index | 4,063,380 | 4,063,380 | 9,766,019 |
| 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. |
| Flowing Wells, AZ | 17,227 | 47 | 6.0% |
| Tanque Verde, AZ | 15,446 | 47 | 6.0% |
| Casas Adobes, AZ | 70,516 | 47 | 6.0% |
| Littletown, AZ | 645 | 47 | 6.0% |
| Tucson Estates, AZ | 12,198 | 47 | 6.0% |
| Tucson, AZ | 545,340 | 47 | 6.0% |
| City | Population | Air Quality Index | National Avg. |
| Québec, QC | 548,244 | n/a | |
| Surrey, BC | 560,150 | n/a | |
| Albuquerque, NM | 560,447 | 53 | 6.0% |
| Fresno, CA | 526,147 | 60 | 20.0% |
| Mesa, AZ | 508,918 | 74 | 48.0% |
| Tucson, AZ | 545,340 | 47 | 6.0% |
Here are the best places to live in Arizona
See the best places to live in Tucson
Check out the 10 most dangerous cities in Arizona
Most Dangerous Cities In The US