| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 34°F | 61°F | 46°F | 1.2" |
| February | 36°F | 66°F | 50°F | 0.5" |
| March | 41°F | 72°F | 57°F | 0.4" |
| April | 45°F | 77°F | 62°F | 0.3" |
| May | 51°F | 84°F | 69°F | 0.1" |
| June | 63°F | 94°F | 79°F | 0.2" |
| July | 65°F | 90°F | 76°F | 3.1" |
| August | 64°F | 88°F | 75°F | 2.5" |
| September | 59°F | 86°F | 72°F | 2.2" |
| October | 51°F | 81°F | 65°F | 0.5" |
| November | 42°F | 70°F | 55°F | 0.3" |
| December | 35°F | 62°F | 47°F | 0.8" |
| Index | Benson | 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. |
| St. David, AZ | 1,481 | 45 | 10.0% |
| Pimaco Two, AZ | 615 | 47 | 6.0% |
| Mescal, AZ | 1,403 | 47 | 6.0% |
| Benson, AZ | 4,857 | 45 | 10.0% |
| City | Population | Air Quality Index | National Avg. |
| Denver City, TX | 4,857 | 45 | 10.0% |
| Ridge Wood Heights, FL | 4,856 | 38 | 24.0% |
| New Haven, MI | 4,856 | 56 | 12.0% |
| Glendora, NJ | 4,858 | 51 | 2.0% |
| Byram, CT | 4,855 | 43 | 14.0% |
| Benson, AZ | 4,857 | 45 | 10.0% |
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