| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 31°F | 54°F | 41°F | 5.6" |
| February | 35°F | 60°F | 46°F | 5.4" |
| March | 42°F | 68°F | 54°F | 4.2" |
| April | 50°F | 76°F | 62°F | 3.9" |
| May | 59°F | 82°F | 70°F | 6.9" |
| June | 67°F | 91°F | 78°F | 5.5" |
| July | 70°F | 92°F | 80°F | 5.0" |
| August | 69°F | 91°F | 79°F | 8.8" |
| September | 62°F | 86°F | 73°F | 6.6" |
| October | 49°F | 75°F | 61°F | 9.5" |
| November | 39°F | 65°F | 50°F | 12.3" |
| December | 36°F | 59°F | 46°F | 6.7" |
| Index | Ansonville | North Carolina | National |
| Air quality index | 49 | 35 | 42 |
| Pollution index | 691,074 | 2,789,538 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 200 |
| Days with moderate air quality | 147 |
| Days w/ poor A.Q. for sensitive groups | 18 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.003% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Norwood, NC | 2,831 | 40 | 20.0% |
| Aquadale, NC | 413 | 40 | 20.0% |
| Mount Gilead, NC | 1,202 | 40 | 20.0% |
| Marshville, NC | 2,748 | 49 | 2.0% |
| Oakboro, NC | 2,214 | 49 | 2.0% |
| Ansonville, NC | 625 | 49 | 2.0% |
| City | Population | Air Quality Index | National Avg. |
| Agency, IA | 625 | 29 | 42.0% |
| Lovilia, IA | 625 | 39 | 22.0% |
| Zanesville, IN | 625 | 31 | 38.0% |
| Eminence, MO | 625 | 39 | 22.0% |
| Sedillo, NM | 625 | 53 | 6.0% |
| Ansonville, NC | 625 | 49 | 2.0% |
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