| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 35°F | 55°F | 44°F | 5.9" |
| February | 35°F | 57°F | 45°F | 7.1" |
| March | 42°F | 65°F | 53°F | 6.6" |
| April | 51°F | 74°F | 62°F | 8.3" |
| May | 59°F | 80°F | 69°F | 8.5" |
| June | 68°F | 87°F | 77°F | 13.5" |
| July | 72°F | 89°F | 80°F | 8.2" |
| August | 71°F | 88°F | 78°F | 19.4" |
| September | 65°F | 82°F | 73°F | 24.1" |
| October | 54°F | 75°F | 63°F | 15.3" |
| November | 43°F | 64°F | 52°F | 3.5" |
| December | 39°F | 59°F | 48°F | 8.7" |
| Index | Washington Park | North Carolina | National |
| Air quality index | 0 | 35 | 42 |
| Pollution index | 3,449,020 | 2,789,538 | 2,726,193 |
| Measurement | Total |
| Days measured | 352 |
| Days with good air quality | 352 |
| Days with moderate air quality | 0 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.050% |
| Benzene | 0.030% |
| Carbon Tetrachloride | 0.040% |
| Lead | 0.030% |
| Mercury | 0.010% |
| City | Population | Air Quality Index | National Avg. |
| Chocowinity, NC | 1,381 | 0 | 100.0% |
| Grimesland, NC | 405 | 0 | 100.0% |
| River Road, NC | 3,709 | 0 | 100.0% |
| Bath, NC | 228 | 0 | 100.0% |
| Pinetown, NC | 79 | 0 | 100.0% |
| Washington Park, NC | 614 | 0 | 100.0% |
| City | Population | Air Quality Index | National Avg. |
| Bodega, CA | 614 | 34 | 32.0% |
| Lake Mystic, FL | 614 | 38 | 24.0% |
| Funston, GA | 614 | 40 | 20.0% |
| Notus, ID | 614 | 36 | 28.0% |
| Denver, IN | 614 | 37 | 26.0% |
| Washington Park, NC | 614 | 0 | 100.0% |