| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 20°F | 34°F | 26°F | 2.8" |
| February | 20°F | 36°F | 27°F | 2.4" |
| March | 31°F | 52°F | 40°F | 4.8" |
| April | 40°F | 63°F | 50°F | 3.3" |
| May | 49°F | 74°F | 60°F | 4.6" |
| June | 57°F | 81°F | 68°F | 5.5" |
| July | 61°F | 85°F | 72°F | 6.5" |
| August | 59°F | 83°F | 70°F | 4.0" |
| September | 53°F | 76°F | 63°F | 3.8" |
| October | 43°F | 63°F | 52°F | 3.5" |
| November | 33°F | 53°F | 42°F | 3.6" |
| December | 25°F | 40°F | 31°F | 3.3" |
| Index | Beaver Falls | Pennsylvania | National |
| Air quality index | 6 | 45 | 42 |
| Pollution index | 1,352,650 | 4,584,805 | 2,726,193 |
| Measurement | Total |
| Days measured | 354 |
| Days with good air quality | 353 |
| Days with moderate air quality | 1 |
| Days w/ poor A.Q. for sensitive groups | |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Conway, PA | 2,210 | 6 | 88.0% |
| Glasgow, PA | 117 | 6 | 88.0% |
| Calcutta, OH | 4,406 | 6 | 88.0% |
| New Brighton, PA | 5,947 | 6 | 88.0% |
| Shippingport, PA | 207 | 6 | 88.0% |
| Beaver Falls, PA | 8,606 | 6 | 88.0% |
| City | Population | Air Quality Index | National Avg. |
| Donaldsonville, LA | 8,605 | 45 | 10.0% |
| Boonville, MO | 8,604 | 38 | 24.0% |
| Applewood, CO | 8,603 | 58 | 16.0% |
| Mystic Island, NJ | 8,603 | 37 | 26.0% |
| Highland Heights, OH | 8,610 | 50 | = 100 |
| Beaver Falls, PA | 8,606 | 6 | 88.0% |