| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 26°F | 45°F | 35°F | 4.9" |
| February | 27°F | 47°F | 36°F | 2.4" |
| March | 35°F | 58°F | 45°F | 3.4" |
| April | 43°F | 70°F | 56°F | 3.2" |
| May | 51°F | 77°F | 63°F | 6.1" |
| June | 60°F | 84°F | 71°F | 6.8" |
| July | 63°F | 87°F | 74°F | 8.1" |
| August | 62°F | 86°F | 73°F | 4.8" |
| September | 55°F | 80°F | 66°F | 6.1" |
| October | 45°F | 69°F | 55°F | 5.8" |
| November | 35°F | 57°F | 45°F | 1.9" |
| December | 30°F | 49°F | 38°F | 3.6" |
| Index | Basye | Virginia | National |
| Air quality index | 36 | 58 | 42 |
| Pollution index | 2,356,780 | 1,561,881 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 349 |
| Days with moderate air quality | 16 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.110% |
| Benzene | 0.040% |
| Carbon Tetrachloride | 0.004% |
| Lead | 0.270% |
| Mercury | 0.050% |
| City | Population | Air Quality Index | National Avg. |
| New Market, VA | 2,198 | 36 | 28.0% |
| Timberville, VA | 2,666 | 36 | 28.0% |
| Mount Jackson, VA | 2,283 | 36 | 28.0% |
| Edinburg, VA | 1,379 | 36 | 28.0% |
| Broadway, VA | 3,925 | 36 | 28.0% |
| Basye, VA | 1,369 | 36 | 28.0% |
| City | Population | Air Quality Index | National Avg. |
| Elverson, PA | 1,369 | 42 | 16.0% |
| Waldo, AR | 1,370 | 35 | 30.0% |
| Mexico Beach, FL | 1,370 | 38 | 24.0% |
| Avoca, IA | 1,368 | 40 | 20.0% |
| Holstein, IA | 1,370 | 35 | 30.0% |
| Basye, VA | 1,369 | 36 | 28.0% |
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