| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 8°F | 33°F | 21°F | 2.8" |
| February | 10°F | 34°F | 22°F | 3.3" |
| March | 19°F | 43°F | 31°F | 3.5" |
| April | 31°F | 58°F | 44°F | 4.4" |
| May | 43°F | 70°F | 56°F | 4.2" |
| June | 52°F | 77°F | 64°F | 5.7" |
| July | 57°F | 83°F | 70°F | 4.6" |
| August | 54°F | 81°F | 67°F | 4.5" |
| September | 47°F | 74°F | 60°F | 3.9" |
| October | 37°F | 61°F | 49°F | 5.4" |
| November | 26°F | 49°F | 37°F | 4.2" |
| December | 16°F | 37°F | 26°F | 5.0" |
| Index | Bridgton | Maine | National |
| Air quality index | 31 | 33 | 42 |
| Pollution index | 2,712,920 | 3,417,521 | 2,726,193 |
| Measurement | Total |
| Days measured | 361 |
| Days with good air quality | 345 |
| Days with moderate air quality | 16 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.030% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.050% |
| Mercury | 0.070% |
| City | Population | Air Quality Index | National Avg. |
| South Paris, ME | 1,842 | 31 | 38.0% |
| Naples, ME | 555 | 31 | 38.0% |
| Norway, ME | 2,556 | 31 | 38.0% |
| Casco, ME | 717 | 31 | 38.0% |
| Oxford, ME | 1,026 | 31 | 38.0% |
| Bridgton, ME | 1,850 | 31 | 38.0% |
| City | Population | Air Quality Index | National Avg. |
| Pumpkin Center, NC | 1,850 | 37 | 26.0% |
| Coupeville, WA | 1,850 | 24 | 52.0% |
| Parkersburg, IA | 1,849 | 39 | 22.0% |
| Prague, OK | 1,851 | 36 | 28.0% |
| Ridgeville, SC | 1,849 | 29 | 42.0% |
| Bridgton, ME | 1,850 | 31 | 38.0% |
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