| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 26°F | 65°F | 45°F | 0.6" |
| February | 31°F | 70°F | 50°F | 0.2" |
| March | 38°F | 77°F | 58°F | 0.2" |
| April | 42°F | 82°F | 64°F | 0.1" |
| May | 49°F | 88°F | 70°F | 0.1" |
| June | 61°F | 100°F | 82°F | 0.4" |
| July | 66°F | 94°F | 78°F | 4.9" |
| August | 64°F | 93°F | 77°F | 3.2" |
| September | 59°F | 90°F | 74°F | 1.4" |
| October | 47°F | 85°F | 66°F | 0.3" |
| November | 35°F | 73°F | 54°F | 0.3" |
| December | 29°F | 65°F | 46°F | 0.5" |
| Index | Bisbee | Arizona | National |
| Air quality index | 45 | 57 | 42 |
| Pollution index | 4,063,380 | 9,766,019 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 266 |
| Days with moderate air quality | 99 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| 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. |
| Naco, AZ | 1,156 | 45 | 10.0% |
| Miracle Valley, AZ | 741 | 45 | 10.0% |
| Palominas, AZ | 170 | 45 | 10.0% |
| Bisbee, AZ | 5,199 | 45 | 10.0% |
| City | Population | Air Quality Index | National Avg. |
| Titusville, PA | 5,200 | 9 | 82.0% |
| Burton, NB | 5,200 | n/a | |
| Elmsford, NY | 5,197 | 51 | 2.0% |
| Grand Falls / Grand-Sault, NB | 5,197 | n/a | |
| Sawmills, NC | 5,201 | 43 | 14.0% |
| Bisbee, AZ | 5,199 | 45 | 10.0% |
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