| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 16°F | 33°F | 24°F | 1.2" |
| February | 16°F | 33°F | 24°F | 2.1" |
| March | 24°F | 43°F | 33°F | 2.1" |
| April | 35°F | 58°F | 46°F | 2.6" |
| May | 46°F | 70°F | 58°F | 3.2" |
| June | 54°F | 77°F | 65°F | 5.0" |
| July | 59°F | 82°F | 70°F | 6.3" |
| August | 57°F | 79°F | 68°F | 6.1" |
| September | 51°F | 73°F | 61°F | 4.8" |
| October | 41°F | 61°F | 50°F | 4.3" |
| November | 31°F | 49°F | 39°F | 2.5" |
| December | 23°F | 38°F | 30°F | 1.9" |
| Index | Cayuga Heights | New York | National |
| Air quality index | 34 | 43 | 42 |
| Pollution index | 1,654,400 | 6,179,275 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 358 |
| Days with moderate air quality | 7 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.002% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.003% |
| Lead | 0.004% |
| Mercury | 0.002% |
| City | Population | Air Quality Index | National Avg. |
| Freeville, NY | 432 | 34 | 32.0% |
| East Ithaca, NY | 2,169 | 34 | 32.0% |
| Interlaken, NY | 576 | 34 | 32.0% |
| Trumansburg, NY | 1,629 | 34 | 32.0% |
| Lansing, NY | 3,606 | 34 | 32.0% |
| Cayuga Heights, NY | 3,642 | 34 | 32.0% |
| City | Population | Air Quality Index | National Avg. |
| Bagdad, FL | 3,642 | 41 | 18.0% |
| Estacada, OR | 3,642 | 38 | 24.0% |
| French Camp, CA | 3,641 | 45 | 10.0% |
| Strathmore, CA | 3,641 | 66 | 32.0% |
| Hopedale, MA | 3,643 | 40 | 20.0% |
| Cayuga Heights, NY | 3,642 | 34 | 32.0% |
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