| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 22°F | 38°F | 30°F | 5.3" |
| February | 22°F | 41°F | 31°F | 4.5" |
| March | 31°F | 52°F | 41°F | 6.9" |
| April | 41°F | 65°F | 53°F | 6.5" |
| May | 51°F | 74°F | 62°F | 7.6" |
| June | 60°F | 82°F | 71°F | 8.8" |
| July | 64°F | 87°F | 75°F | 7.6" |
| August | 62°F | 83°F | 72°F | 8.9" |
| September | 55°F | 77°F | 66°F | 10.8" |
| October | 44°F | 66°F | 55°F | 8.6" |
| November | 34°F | 54°F | 44°F | 6.0" |
| December | 28°F | 43°F | 35°F | 6.6" |
| Index | Shenandoah | Pennsylvania | National |
| Air quality index | 42 | 45 | 42 |
| Pollution index | 1,279,530 | 4,584,805 | 2,726,193 |
| Measurement | Total |
| Days measured | 360 |
| Days with good air quality | 278 |
| Days with moderate air quality | 78 |
| Days w/ poor A.Q. for sensitive groups | 4 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.002% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Almedia, PA | 1,108 | 35 | 30.0% |
| Lime Ridge, PA | 917 | 35 | 30.0% |
| Mifflinville, PA | 922 | 35 | 30.0% |
| Bloomsburg, PA | 13,916 | 35 | 30.0% |
| Catawissa, PA | 1,476 | 35 | 30.0% |
| Shenandoah, PA | 4,789 | 42 | 16.0% |
| City | Population | Air Quality Index | National Avg. |
| Nassau Village-Ratliff, FL | 4,789 | 43 | 14.0% |
| Westlake, LA | 4,788 | 45 | 10.0% |
| Wrightsboro, NC | 4,788 | 34 | 32.0% |
| Holts Summit, MO | 4,790 | 39 | 22.0% |
| West Milton, OH | 4,790 | 47 | 6.0% |
| Shenandoah, PA | 4,789 | 42 | 16.0% |
Here are the best places to live in Pennsylvania
Safest Cities In The US
Check out the 10 most dangerous cities in Pennsylvania
See the best places to live in Shenandoah