| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 19°F | 33°F | 26°F | 4.0" |
| February | 18°F | 34°F | 26°F | 3.9" |
| March | 28°F | 45°F | 35°F | 4.3" |
| April | 38°F | 60°F | 48°F | 5.1" |
| May | 48°F | 70°F | 58°F | 5.4" |
| June | 56°F | 77°F | 66°F | 6.8" |
| July | 60°F | 81°F | 70°F | 7.9" |
| August | 59°F | 79°F | 68°F | 7.0" |
| September | 53°F | 73°F | 62°F | 5.2" |
| October | 43°F | 61°F | 51°F | 4.8" |
| November | 33°F | 49°F | 40°F | 3.8" |
| December | 25°F | 37°F | 30°F | 3.4" |
| Index | Cherry Valley | Pennsylvania | National |
| Air quality index | 31 | 45 | 42 |
| Pollution index | 601,986 | 4,584,805 | 2,726,193 |
| Measurement | Total |
| Days measured | 361 |
| Days with good air quality | 356 |
| Days with moderate air quality | 5 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.010% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| West Sunbury, PA | 242 | 31 | 38.0% |
| Unionville borough, PA | 232 | 31 | 38.0% |
| Grove City, PA | 7,829 | 31 | 38.0% |
| Parker, PA | 693 | 31 | 38.0% |
| Eau Claire, PA | 322 | 31 | 38.0% |
| Cherry Valley, PA | 67 | 31 | 38.0% |
| City | Population | Air Quality Index | National Avg. |
| Zinc, AR | 67 | 36 | 28.0% |
| Washington Park, AZ | 67 | 60 | 20.0% |
| Beaver, IA | 67 | 37 | 26.0% |
| Curlew, IA | 67 | 15 | 70.0% |
| Kinross, IA | 67 | 35 | 30.0% |
| Cherry Valley, PA | 67 | 31 | 38.0% |
Here are the best places to live in Pennsylvania
Check out the 10 safest cities in Pennsylvania
See the best places to live in Cherry Valley
These are the largest cities in Pennsylvania