| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 18°F | 36°F | 27°F | 2.1" |
| February | 17°F | 35°F | 26°F | 2.2" |
| March | 25°F | 46°F | 35°F | 2.2" |
| April | 36°F | 60°F | 47°F | 3.1" |
| May | 47°F | 72°F | 59°F | 2.9" |
| June | 56°F | 80°F | 68°F | 3.8" |
| July | 61°F | 84°F | 72°F | 4.5" |
| August | 59°F | 82°F | 70°F | 3.5" |
| September | 53°F | 76°F | 64°F | 3.3" |
| October | 43°F | 64°F | 53°F | 4.4" |
| November | 33°F | 52°F | 42°F | 2.6" |
| December | 25°F | 40°F | 32°F | 3.0" |
| Index | Palmyra | New York | National |
| Air quality index | 37 | 43 | 42 |
| Pollution index | 2,885,140 | 6,179,275 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 317 |
| Days with moderate air quality | 48 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.004% |
| Benzene | 0.030% |
| Carbon Tetrachloride | 0.005% |
| Lead | 0.010% |
| Mercury | 0.002% |
| City | Population | Air Quality Index | National Avg. |
| Geneva, NY | 12,720 | 34 | 32.0% |
| East Rochester, NY | 6,530 | 37 | 26.0% |
| Newark, NY | 8,868 | 37 | 26.0% |
| Webster, NY | 5,666 | 37 | 26.0% |
| Sodus Point, NY | 901 | 37 | 26.0% |
| Palmyra, NY | 3,361 | 37 | 26.0% |
| City | Population | Air Quality Index | National Avg. |
| Hoosick Falls, NY | 3,361 | 35 | 30.0% |
| Clyde Hill, WA | 3,360 | 45 | 10.0% |
| Story City, IA | 3,362 | 37 | 26.0% |
| South Nyack, NY | 3,359 | 51 | 2.0% |
| Jefferson, OH | 3,359 | 34 | 32.0% |
| Palmyra, NY | 3,361 | 37 | 26.0% |
Here are the best places to live in New York
See the best places to live in Palmyra
Most Dangerous Cities In The US
These are the 10 cheapest cities in New York