| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 37°F | 57°F | 46°F | 3.6" |
| February | 37°F | 60°F | 47°F | 4.5" |
| March | 44°F | 68°F | 55°F | 4.3" |
| April | 52°F | 76°F | 63°F | 4.5" |
| May | 60°F | 82°F | 70°F | 6.1" |
| June | 69°F | 88°F | 77°F | 8.2" |
| July | 72°F | 91°F | 80°F | 8.1" |
| August | 71°F | 89°F | 79°F | 6.5" |
| September | 66°F | 84°F | 73°F | 5.3" |
| October | 54°F | 76°F | 64°F | 7.0" |
| November | 44°F | 66°F | 53°F | 7.3" |
| December | 41°F | 61°F | 50°F | 5.7" |
| Index | Bolton | North Carolina | National |
| Air quality index | 34 | 35 | 42 |
| Pollution index | 4,252,890 | 2,789,538 | 2,726,193 |
| Measurement | Total |
| Days measured | 348 |
| Days with good air quality | 319 |
| Days with moderate air quality | 29 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| 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. |
| Lake Waccamaw, NC | 1,659 | 30 | 40.0% |
| Clarkton, NC | 1,005 | 30 | 40.0% |
| Hallsboro, NC | 461 | 30 | 40.0% |
| Sandyfield, NC | 699 | 34 | 32.0% |
| Kelly, NC | 349 | 34 | 32.0% |
| Bolton, NC | 728 | 34 | 32.0% |
| City | Population | Air Quality Index | National Avg. |
| Leola, AR | 728 | 32 | 36.0% |
| Sawmill, AZ | 728 | 17 | 66.0% |
| Greensboro, FL | 728 | 40 | 20.0% |
| Avoca, IN | 728 | 42 | 16.0% |
| St. Meinrad, IN | 728 | 6 | 88.0% |
| Bolton, NC | 728 | 34 | 32.0% |