| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 21°F | 41°F | 32°F | 3.4" |
| February | 21°F | 41°F | 31°F | 3.0" |
| March | 27°F | 48°F | 38°F | 3.8" |
| April | 37°F | 59°F | 48°F | 3.9" |
| May | 46°F | 67°F | 57°F | 3.8" |
| June | 56°F | 77°F | 67°F | 4.4" |
| July | 64°F | 83°F | 73°F | 3.5" |
| August | 61°F | 82°F | 72°F | 3.0" |
| September | 55°F | 76°F | 66°F | 3.9" |
| October | 44°F | 66°F | 55°F | 5.2" |
| November | 34°F | 56°F | 45°F | 3.3" |
| December | 27°F | 47°F | 37°F | 4.8" |
| Index | West Hampton Dunes | New York | National |
| Air quality index | 43 | 43 | 42 |
| Pollution index | 39,208,800 | 6,179,275 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 262 |
| Days with moderate air quality | 82 |
| Days w/ poor A.Q. for sensitive groups | 18 |
| Days with unhealthy air quality | 3 |
| Pollutant | Total |
| Arsenic | 0.060% |
| Benzene | 0.320% |
| Carbon Tetrachloride | 0.020% |
| Lead | 0.320% |
| Mercury | 0.130% |
| City | Population | Air Quality Index | National Avg. |
| Aquebogue, NY | 1,996 | 41 | 18.0% |
| Eastport, NY | 1,902 | 41 | 18.0% |
| Northampton, NY | 1,627 | 41 | 18.0% |
| Quogue, NY | 600 | 41 | 18.0% |
| Riverside, NY | 2,610 | 41 | 18.0% |
| West Hampton Dunes, NY | 69 | 43 | 14.0% |
| City | Population | Air Quality Index | National Avg. |
| Datto, AR | 69 | 26 | 48.0% |
| Jericho, AR | 69 | 45 | 10.0% |
| Moskowite Corner, CA | 69 | 35 | 30.0% |
| Trona, CA | 69 | 15 | 70.0% |
| Hartman, CO | 69 | 15 | 70.0% |
| West Hampton Dunes, NY | 69 | 43 | 14.0% |
Here are the best places to live in New York
Most Dangerous Cities In The US
See the best places to live in West Hampton Dunes
Check out the 10 most dangerous cities in New York