| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 19°F | 33°F | 26°F | 2.7" |
| February | 18°F | 34°F | 26°F | 2.5" |
| March | 28°F | 46°F | 36°F | 3.3" |
| April | 39°F | 60°F | 48°F | 3.6" |
| May | 49°F | 70°F | 59°F | 3.8" |
| June | 57°F | 77°F | 66°F | 5.2" |
| July | 61°F | 81°F | 70°F | 4.7" |
| August | 60°F | 79°F | 69°F | 4.2" |
| September | 54°F | 73°F | 63°F | 4.2" |
| October | 44°F | 61°F | 52°F | 4.6" |
| November | 34°F | 50°F | 41°F | 3.1" |
| December | 25°F | 38°F | 31°F | 3.6" |
| Index | Kerrtown | Pennsylvania | National |
| Air quality index | 36 | 45 | 42 |
| Pollution index | 3,205,550 | 4,584,805 | 2,726,193 |
| Measurement | Total |
| Days measured | 364 |
| Days with good air quality | 322 |
| Days with moderate air quality | 42 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.040% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.170% |
| Mercury | 0.005% |
| City | Population | Air Quality Index | National Avg. |
| Sheakleyville, PA | 140 | 31 | 38.0% |
| Utica, PA | 115 | 31 | 38.0% |
| New Lebanon, PA | 202 | 31 | 38.0% |
| Cochranton, PA | 1,019 | 31 | 38.0% |
| Sugarcreek, PA | 4,970 | 31 | 38.0% |
| Kerrtown, PA | 39 | 36 | 28.0% |
| City | Population | Air Quality Index | National Avg. |
| Stony River, AK | 39 | 31 | 38.0% |
| Sunrise, AK | 39 | 31 | 38.0% |
| Tibbie, AL | 39 | 42 | 16.0% |
| Haigler Creek, AZ | 39 | 60 | 20.0% |
| Edgewood, CA | 39 | 42 | 16.0% |
| Kerrtown, PA | 39 | 36 | 28.0% |
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