| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 18°F | 32°F | 25°F | 4.1" |
| February | 15°F | 31°F | 23°F | 4.0" |
| March | 22°F | 40°F | 31°F | 3.5" |
| April | 33°F | 57°F | 45°F | 6.8" |
| May | 43°F | 67°F | 55°F | 1.7" |
| June | 55°F | 77°F | 66°F | 4.2" |
| July | 58°F | 78°F | 68°F | 5.6" |
| August | 58°F | 78°F | 68°F | 6.4" |
| September | 51°F | 74°F | 62°F | 3.2" |
| October | 45°F | 62°F | 52°F | 14.7" |
| November | 30°F | 47°F | 39°F | 6.6" |
| December | 20°F | 33°F | 26°F | 6.0" |
| Index | Arlington Heights | Pennsylvania | National |
| Air quality index | 34 | 45 | 42 |
| Pollution index | 2,789,290 | 4,584,805 | 2,726,193 |
| Measurement | Total |
| Days measured | 349 |
| Days with good air quality | 340 |
| Days with moderate air quality | 9 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.002% |
| Benzene | 0.040% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.020% |
| Mercury | 0.030% |
| City | Population | Air Quality Index | National Avg. |
| Delaware Water Gap, PA | 661 | 34 | 32.0% |
| Columbia, NJ | 143 | 34 | 32.0% |
| Hope, NJ | 153 | 34 | 32.0% |
| East Bangor, PA | 1,098 | 34 | 32.0% |
| Stroudsburg, PA | 5,514 | 34 | 32.0% |
| Arlington Heights, PA | 6,015 | 34 | 32.0% |
| City | Population | Air Quality Index | National Avg. |
| Isanti, MN | 6,016 | 46 | 8.0% |
| Gardnerville, NV | 6,013 | 13 | 74.0% |
| Fort Washington, PA | 6,013 | 51 | 2.0% |
| Grafton, OH | 6,017 | 50 | = 100 |
| Cherryville, NC | 6,018 | 36 | 28.0% |
| Arlington Heights, PA | 6,015 | 34 | 32.0% |
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