| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 27°F | 44°F | 35°F | 3.0" |
| February | 27°F | 46°F | 35°F | 2.1" |
| March | 36°F | 56°F | 45°F | 3.8" |
| April | 46°F | 68°F | 56°F | 4.4" |
| May | 53°F | 74°F | 63°F | 4.5" |
| June | 61°F | 81°F | 70°F | 3.9" |
| July | 64°F | 82°F | 72°F | 5.0" |
| August | 64°F | 82°F | 72°F | 3.7" |
| September | 57°F | 76°F | 66°F | 2.9" |
| October | 47°F | 67°F | 56°F | 3.3" |
| November | 37°F | 57°F | 46°F | 2.5" |
| December | 31°F | 48°F | 39°F | 3.6" |
| Index | Oakvale | West Virginia | National |
| Air quality index | 41 | 126 | 42 |
| Pollution index | 1,956,300 | 1,996,538 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 306 |
| Days with moderate air quality | 55 |
| Days w/ poor A.Q. for sensitive groups | 4 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.003% |
| Benzene | 0.030% |
| Carbon Tetrachloride | 0.004% |
| Lead | 0.002% |
| Mercury | 0.005% |
| City | Population | Air Quality Index | National Avg. |
| Pearisburg, VA | 2,732 | 41 | 18.0% |
| Peterstown, WV | 782 | 41 | 18.0% |
| Glen Lyn, VA | 94 | 41 | 18.0% |
| Narrows, VA | 2,166 | 41 | 18.0% |
| Rich Creek, VA | 777 | 41 | 18.0% |
| Oakvale, WV | 208 | 41 | 18.0% |
| City | Population | Air Quality Index | National Avg. |
| Gakona, AK | 208 | 31 | 38.0% |
| Fairford, AL | 208 | 42 | 16.0% |
| Ratcliff, AR | 208 | 36 | 28.0% |
| Whitfield CDP (Santa Rosa County), FL | 208 | 38 | 24.0% |
| Williams, IN | 208 | 42 | 16.0% |
| Oakvale, WV | 208 | 41 | 18.0% |