| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 28°F | 50°F | 38°F | 6.7" |
| February | 29°F | 54°F | 40°F | 5.6" |
| March | 37°F | 63°F | 49°F | 5.3" |
| April | 46°F | 74°F | 59°F | 9.4" |
| May | 53°F | 79°F | 66°F | 8.4" |
| June | 61°F | 87°F | 73°F | 8.4" |
| July | 65°F | 89°F | 76°F | 6.9" |
| August | 64°F | 88°F | 75°F | 8.4" |
| September | 58°F | 82°F | 68°F | 7.6" |
| October | 46°F | 72°F | 57°F | 9.4" |
| November | 35°F | 61°F | 47°F | 8.1" |
| December | 32°F | 53°F | 41°F | 7.1" |
| Index | Ferrum | Virginia | National |
| Air quality index | 38 | 58 | 42 |
| Pollution index | 1,150,080 | 1,561,881 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 326 |
| Days with moderate air quality | 39 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.040% |
| Benzene | 0.030% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.010% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Collinsville, VA | 7,019 | 38 | 24.0% |
| Rocky Mount, VA | 4,727 | 38 | 24.0% |
| Bassett, VA | 900 | 38 | 24.0% |
| Oak Level, VA | 466 | 38 | 24.0% |
| Boones Mill, VA | 149 | 38 | 24.0% |
| Ferrum, VA | 2,148 | 38 | 24.0% |
| City | Population | Air Quality Index | National Avg. |
| Maugansville, MD | 2,148 | 40 | 20.0% |
| Apalachin, NY | 2,148 | 36 | 28.0% |
| Hyde Park, PA | 2,148 | 42 | 16.0% |
| Split Lake (Part) 171, MB | 2,148 | n/a | |
| Sewall's Point, FL | 2,147 | 36 | 28.0% |
| Ferrum, VA | 2,148 | 38 | 24.0% |
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