| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 36°F | 56°F | 45°F | 4.0" |
| February | 37°F | 59°F | 47°F | 5.9" |
| March | 44°F | 67°F | 54°F | 5.0" |
| April | 53°F | 76°F | 63°F | 5.9" |
| May | 60°F | 82°F | 70°F | 6.9" |
| June | 69°F | 89°F | 78°F | 5.8" |
| July | 72°F | 91°F | 80°F | 7.0" |
| August | 71°F | 89°F | 79°F | 6.1" |
| September | 65°F | 84°F | 73°F | 6.0" |
| October | 54°F | 75°F | 64°F | 10.0" |
| November | 43°F | 65°F | 53°F | 5.9" |
| December | 40°F | 61°F | 49°F | 6.5" |
| Index | Clarkton | North Carolina | National |
| Air quality index | 30 | 35 | 42 |
| Pollution index | 4,252,890 | 2,789,538 | 2,726,193 |
| Measurement | Total |
| Days measured | 117 |
| Days with good air quality | 101 |
| Days with moderate air quality | 16 |
| Days w/ poor A.Q. for sensitive groups | |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.090% |
| Lead | 0.020% |
| Mercury | 0.004% |
| City | Population | Air Quality Index | National Avg. |
| Elizabethtown, NC | 3,424 | 30 | 40.0% |
| Chadbourn, NC | 2,038 | 30 | 40.0% |
| Brunswick, NC | 1,128 | 30 | 40.0% |
| White Lake, NC | 978 | 30 | 40.0% |
| Bladenboro, NC | 2,063 | 30 | 40.0% |
| Clarkton, NC | 972 | 30 | 40.0% |
| City | Population | Air Quality Index | National Avg. |
| Lakeview, AR | 972 | 36 | 28.0% |
| Brunswick, MO | 972 | 38 | 24.0% |
| Troy, MT | 972 | 37 | 26.0% |
| Lake Waynoka, OH | 972 | 43 | 14.0% |
| Pound, VA | 972 | 45 | 10.0% |
| Clarkton, NC | 972 | 30 | 40.0% |
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