| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 22°F | 38°F | 30°F | 3.2" |
| February | 23°F | 39°F | 30°F | 2.2" |
| March | 32°F | 52°F | 41°F | 3.4" |
| April | 43°F | 65°F | 53°F | 3.4" |
| May | 52°F | 74°F | 62°F | 4.2" |
| June | 60°F | 81°F | 70°F | 5.1" |
| July | 64°F | 84°F | 73°F | 5.1" |
| August | 63°F | 82°F | 72°F | 4.1" |
| September | 56°F | 77°F | 66°F | 3.1" |
| October | 46°F | 65°F | 54°F | 3.8" |
| November | 35°F | 54°F | 44°F | 2.8" |
| December | 28°F | 43°F | 35°F | 3.7" |
| Index | Perryopolis | Pennsylvania | National |
| Air quality index | 56 | 45 | 42 |
| Pollution index | 889,808 | 4,584,805 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 129 |
| Days with moderate air quality | 220 |
| Days w/ poor A.Q. for sensitive groups | 12 |
| Days with unhealthy air quality | 4 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.030% |
| Mercury | 0.030% |
| City | Population | Air Quality Index | National Avg. |
| Buffington, PA | 89 | 36 | 28.0% |
| Rices Landing, PA | 600 | 36 | 28.0% |
| Connellsville, PA | 7,414 | 36 | 28.0% |
| Fredericktown, PA | 200 | 36 | 28.0% |
| Rowes Run, PA | 587 | 36 | 28.0% |
| Perryopolis, PA | 1,641 | 56 | 12.0% |
| City | Population | Air Quality Index | National Avg. |
| New Plymouth, ID | 1,641 | 36 | 28.0% |
| North Vacherie, LA | 1,641 | 41 | 18.0% |
| Whitmire, SC | 1,641 | 44 | 12.0% |
| Freeman, SD | 1,641 | 36 | 28.0% |
| Hawkins, TX | 1,641 | 36 | 28.0% |
| Perryopolis, PA | 1,641 | 56 | 12.0% |
Here are the best places to live in Pennsylvania
Safest States In The US
See the best places to live in Perryopolis
Check out the 10 most dangerous cities in Pennsylvania