| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 24°F | 42°F | 32°F | 3.4" |
| February | 25°F | 44°F | 33°F | 2.6" |
| March | 34°F | 56°F | 44°F | 3.9" |
| April | 43°F | 69°F | 56°F | 4.2" |
| May | 52°F | 76°F | 63°F | 4.1" |
| June | 60°F | 83°F | 71°F | 4.9" |
| July | 64°F | 85°F | 74°F | 4.8" |
| August | 63°F | 86°F | 73°F | 3.6" |
| September | 56°F | 80°F | 67°F | 3.2" |
| October | 45°F | 68°F | 55°F | 3.7" |
| November | 35°F | 57°F | 45°F | 2.9" |
| December | 29°F | 46°F | 37°F | 4.2" |
| Index | Paden City | West Virginia | National |
| Air quality index | 39 | 126 | 42 |
| Pollution index | 325,471 | 1,996,538 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 318 |
| Days with moderate air quality | 47 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.004% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Pine Grove, WV | 379 | 31 | 38.0% |
| Middlebourne, WV | 743 | 31 | 38.0% |
| Reader, WV | 298 | 31 | 38.0% |
| Sistersville, WV | 1,375 | 35 | 30.0% |
| St. Marys, WV | 2,107 | 35 | 30.0% |
| Paden City, WV | 2,905 | 39 | 22.0% |
| City | Population | Air Quality Index | National Avg. |
| West Grove, PA | 2,904 | 45 | 10.0% |
| Grenville-sur-la-Rouge, QC | 2,904 | n/a | |
| Riverview, MO | 2,906 | 54 | 8.0% |
| Grottoes, VA | 2,906 | 36 | 28.0% |
| Moline Acres, MO | 2,903 | 54 | 8.0% |
| Paden City, WV | 2,905 | 39 | 22.0% |