| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 21°F | 35°F | 27°F | 6.0" |
| February | 16°F | 30°F | 23°F | 2.8" |
| March | 26°F | 44°F | 34°F | 2.3" |
| April | 37°F | 56°F | 46°F | 5.0" |
| May | 46°F | 69°F | 57°F | 4.1" |
| June | 58°F | 79°F | 69°F | 5.2" |
| July | 61°F | 81°F | 70°F | 6.9" |
| August | 62°F | 80°F | 71°F | 9.1" |
| September | 55°F | 75°F | 65°F | 7.2" |
| October | 48°F | 64°F | 55°F | 3.9" |
| November | 33°F | 50°F | 41°F | 6.2" |
| December | 23°F | 34°F | 28°F | 3.1" |
| Index | Spartansburg | Pennsylvania | National |
| Air quality index | 9 | 45 | 42 |
| Pollution index | 3,205,550 | 4,584,805 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 357 |
| Days with moderate air quality | 6 |
| Days w/ poor A.Q. for sensitive groups | 2 |
| 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. |
| Titusville, PA | 5,200 | 9 | 82.0% |
| Tidioute, PA | 745 | 9 | 82.0% |
| Hydetown, PA | 843 | 9 | 82.0% |
| Wattsburg, PA | 430 | 36 | 28.0% |
| Union City, PA | 3,148 | 36 | 28.0% |
| Spartansburg, PA | 286 | 9 | 82.0% |
| City | Population | Air Quality Index | National Avg. |
| Cibola, AZ | 286 | 45 | 10.0% |
| Kalihiwai, HI | 286 | 13 | 74.0% |
| Hornick, IA | 286 | 35 | 30.0% |
| Pacific Junction, IA | 286 | 40 | 20.0% |
| Druid Hills, KY | 286 | 49 | 2.0% |
| Spartansburg, PA | 286 | 9 | 82.0% |
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