| 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. |
| Baiting Hollow, NY | 2,913 | 41 | 18.0% |
| East Quogue, NY | 5,165 | 41 | 18.0% |
| Northville village, NY | 1,040 | 41 | 18.0% |
| Remsenburg-Speonk, NY | 1,805 | 41 | 18.0% |
| Westhampton, NY | 3,169 | 41 | 18.0% |
| West Hampton Dunes, NY | 71 | 43 | 14.0% |
| City | Population | Air Quality Index | National Avg. |
| Williford, AR | 71 | 36 | 28.0% |
| East Verde Estates, AZ | 71 | 60 | 20.0% |
| Freeport, CA | 71 | 52 | 4.0% |
| Simpson, IL | 71 | 44 | 12.0% |
| Union Hill, IL | 71 | 0 | 100.0% |
| West Hampton Dunes, NY | 71 | 43 | 14.0% |
Here are the best places to live in New York
These are the 10 cheapest cities in New York
Safest States In The US
Most Dangerous States In The US