| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 32°F | 52°F | 41°F | 5.1" |
| February | 34°F | 55°F | 43°F | 5.1" |
| March | 41°F | 64°F | 52°F | 5.1" |
| April | 50°F | 73°F | 61°F | 7.7" |
| May | 58°F | 79°F | 68°F | 7.4" |
| June | 66°F | 86°F | 75°F | 7.1" |
| July | 69°F | 88°F | 78°F | 5.6" |
| August | 69°F | 87°F | 77°F | 6.9" |
| September | 62°F | 81°F | 71°F | 8.1" |
| October | 50°F | 72°F | 60°F | 7.0" |
| November | 39°F | 62°F | 50°F | 8.4" |
| December | 36°F | 56°F | 45°F | 9.5" |
| Index | Seagrove | North Carolina | National |
| Air quality index | 40 | 35 | 42 |
| Pollution index | 1,844,150 | 2,789,538 | 2,726,193 |
| Measurement | Total |
| Days measured | 357 |
| Days with good air quality | 260 |
| Days with moderate air quality | 97 |
| Days w/ poor A.Q. for sensitive groups | |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.010% |
| Mercury | 0.010% |
| City | Population | Air Quality Index | National Avg. |
| Bennett, NC | 362 | 29 | 42.0% |
| Star, NC | 1,354 | 29 | 42.0% |
| Biscoe, NC | 2,802 | 29 | 42.0% |
| Robbins, NC | 1,674 | 29 | 42.0% |
| Ramseur, NC | 2,121 | 31 | 38.0% |
| Seagrove, NC | 477 | 40 | 20.0% |
| City | Population | Air Quality Index | National Avg. |
| Akiachak, AK | 477 | 31 | 38.0% |
| Coaldale, CO | 477 | 16 | 68.0% |
| Flat Rock, IL | 477 | 36 | 28.0% |
| Burdett, KS | 477 | 15 | 70.0% |
| Blanco, NM | 477 | 49 | 2.0% |
| Seagrove, NC | 477 | 40 | 20.0% |
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