| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 34°F | 54°F | 42°F | 5.1" |
| February | 34°F | 57°F | 44°F | 4.7" |
| March | 41°F | 65°F | 52°F | 5.6" |
| April | 50°F | 75°F | 61°F | 6.5" |
| May | 58°F | 81°F | 69°F | 8.0" |
| June | 67°F | 89°F | 77°F | 7.6" |
| July | 70°F | 91°F | 79°F | 9.7" |
| August | 69°F | 89°F | 77°F | 6.7" |
| September | 63°F | 83°F | 71°F | 9.5" |
| October | 51°F | 74°F | 61°F | 3.5" |
| November | 41°F | 64°F | 51°F | 6.0" |
| December | 37°F | 58°F | 46°F | 6.5" |
| Index | Wilson's Mills | North Carolina | National |
| Air quality index | 46 | 35 | 42 |
| Pollution index | 227,321 | 2,789,538 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 239 |
| Days with moderate air quality | 126 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.003% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Bailey, NC | 492 | 36 | 28.0% |
| Micro, NC | 688 | 40 | 20.0% |
| Selma, NC | 6,950 | 40 | 20.0% |
| Four Oaks, NC | 2,225 | 40 | 20.0% |
| Smithfield, NC | 12,697 | 40 | 20.0% |
| Wilson's Mills, NC | 2,698 | 46 | 8.0% |
| City | Population | Air Quality Index | National Avg. |
| Middlefield, OH | 2,698 | 50 | = 100 |
| Oak Trail Shores, TX | 2,698 | 33 | 34.0% |
| Bonifay, FL | 2,697 | 35 | 30.0% |
| Stanley, ND | 2,697 | 34 | 32.0% |
| Lake Wynonah, PA | 2,697 | 42 | 16.0% |
| Wilson's Mills, NC | 2,698 | 46 | 8.0% |
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