| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 27°F | 43°F | 34°F | 3.5" |
| February | 27°F | 44°F | 35°F | 2.9" |
| March | 34°F | 53°F | 42°F | 3.8" |
| April | 45°F | 65°F | 53°F | 4.4" |
| May | 54°F | 74°F | 63°F | 4.2" |
| June | 64°F | 83°F | 73°F | 4.9" |
| July | 71°F | 89°F | 79°F | 4.3" |
| August | 70°F | 86°F | 77°F | 5.0" |
| September | 64°F | 80°F | 71°F | 3.3" |
| October | 53°F | 69°F | 60°F | 5.1" |
| November | 42°F | 58°F | 49°F | 3.2" |
| December | 34°F | 48°F | 40°F | 4.9" |
| Index | Manhasset | New York | National |
| Air quality index | 51 | 43 | 42 |
| Pollution index | 22,367,000 | 6,179,275 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 169 |
| Days with moderate air quality | 180 |
| Days w/ poor A.Q. for sensitive groups | 16 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.040% |
| Benzene | 0.180% |
| Carbon Tetrachloride | 0.070% |
| Lead | 0.050% |
| Mercury | 0.050% |
| City | Population | Air Quality Index | National Avg. |
| Cold Spring Harbor, NY | 2,864 | 43 | 14.0% |
| Laurel Hollow, NY | 1,967 | 43 | 14.0% |
| Byram, CT | 4,855 | 43 | 14.0% |
| Halesite, NY | 2,483 | 43 | 14.0% |
| Cove Neck, NY | 231 | 43 | 14.0% |
| Manhasset, NY | 7,792 | 51 | 2.0% |
| City | Population | Air Quality Index | National Avg. |
| South Cleveland, TN | 7,792 | 1 | 98.0% |
| Bloomfield, NM | 7,791 | 49 | 2.0% |
| St. Francis, MN | 7,793 | 46 | 8.0% |
| Fort Belvoir, VA | 7,794 | 47 | 6.0% |
| Joshua Tree, CA | 7,786 | 89 | 78.0% |
| Manhasset, NY | 7,792 | 51 | 2.0% |
Here are the best places to live in New York
Check out the 10 most dangerous cities in New York
Safest States In The US
Most Dangerous Cities In The US