| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 40°F | 58°F | 48°F | 5.1" |
| February | 42°F | 59°F | 49°F | 4.6" |
| March | 47°F | 64°F | 55°F | 5.4" |
| April | 57°F | 73°F | 64°F | 5.4" |
| May | 66°F | 82°F | 73°F | 3.1" |
| June | 73°F | 88°F | 79°F | 4.5" |
| July | 76°F | 90°F | 82°F | 7.8" |
| August | 75°F | 88°F | 81°F | 6.5" |
| September | 71°F | 83°F | 76°F | 9.9" |
| October | 61°F | 76°F | 68°F | 8.9" |
| November | 50°F | 65°F | 57°F | 5.1" |
| December | 46°F | 62°F | 53°F | 5.2" |
| Index | Atlantic | North Carolina | National |
| Air quality index | 37 | 35 | 42 |
| Pollution index | 3,449,020 | 2,789,538 | 2,726,193 |
| Measurement | Total |
| Days measured | 259 |
| Days with good air quality | 239 |
| Days with moderate air quality | 20 |
| 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. |
| Harkers Island, NC | 1,314 | 37 | 26.0% |
| Marshallberg, NC | 412 | 37 | 26.0% |
| Davis, NC | 226 | 37 | 26.0% |
| Gloucester, NC | 484 | 37 | 26.0% |
| Atlantic, NC | 608 | 37 | 26.0% |
| City | Population | Air Quality Index | National Avg. |
| Tazlina, AK | 608 | 31 | 38.0% |
| Gasquet, CA | 608 | 20 | 60.0% |
| Westwood city, KY | 608 | 42 | 16.0% |
| Port Austin, MI | 608 | 26 | 48.0% |
| Butterfield, MO | 608 | 18 | 64.0% |
| Atlantic, NC | 608 | 37 | 26.0% |
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