| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 13°F | 31°F | 21°F | 4.0" |
| February | 14°F | 32°F | 22°F | 3.8" |
| March | 22°F | 41°F | 31°F | 5.3" |
| April | 35°F | 55°F | 44°F | 6.6" |
| May | 45°F | 67°F | 55°F | 4.4" |
| June | 54°F | 73°F | 62°F | 6.1" |
| July | 60°F | 79°F | 69°F | 5.8" |
| August | 57°F | 78°F | 67°F | 6.7" |
| September | 51°F | 71°F | 60°F | 6.9" |
| October | 41°F | 59°F | 50°F | 7.4" |
| November | 30°F | 47°F | 38°F | 6.8" |
| December | 19°F | 35°F | 26°F | 4.1" |
| Index | Pittsfield | Maine | National |
| Air quality index | 31 | 33 | 42 |
| Pollution index | 1,854,040 | 3,417,521 | 2,726,193 |
| Measurement | Total |
| Days measured | 361 |
| Days with good air quality | 348 |
| Days with moderate air quality | 13 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.004% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.005% |
| Lead | 0.010% |
| Mercury | 0.002% |
| City | Population | Air Quality Index | National Avg. |
| Clinton, ME | 1,227 | 28 | 44.0% |
| Unity, ME | 274 | 28 | 44.0% |
| Fairfield, ME | 2,298 | 28 | 44.0% |
| Winslow, ME | 4,908 | 28 | 44.0% |
| Hartland, ME | 531 | 31 | 38.0% |
| Pittsfield, ME | 3,035 | 31 | 38.0% |
| City | Population | Air Quality Index | National Avg. |
| Leesburg, GA | 3,035 | 40 | 20.0% |
| Mars Hill, NC | 3,035 | 44 | 12.0% |
| River Bend, NC | 3,036 | 42 | 16.0% |
| Belchertown, MA | 3,037 | 40 | 20.0% |
| Fairview, AB | 3,032 | n/a | |
| Pittsfield, ME | 3,035 | 31 | 38.0% |
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