| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 40°F | 58°F | 48°F | 5.1" |
| February | 42°F | 59°F | 49°F | 4.6" |
| March | 47°F | 64°F | 55°F | 5.4" |
| April | 57°F | 73°F | 64°F | 5.4" |
| May | 66°F | 82°F | 73°F | 3.1" |
| June | 73°F | 88°F | 79°F | 4.5" |
| July | 76°F | 90°F | 82°F | 7.8" |
| August | 75°F | 88°F | 81°F | 6.5" |
| September | 71°F | 83°F | 76°F | 9.9" |
| October | 61°F | 76°F | 68°F | 8.9" |
| November | 50°F | 65°F | 57°F | 5.1" |
| December | 46°F | 62°F | 53°F | 5.2" |
| Index | Stonewall | North Carolina | National |
| Air quality index | 37 | 35 | 42 |
| Pollution index | 3,449,020 | 2,789,538 | 2,726,193 |
| Measurement | Total |
| Days measured | 259 |
| Days with good air quality | 239 |
| Days with moderate air quality | 20 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.050% |
| Benzene | 0.030% |
| Carbon Tetrachloride | 0.040% |
| Lead | 0.030% |
| Mercury | 0.010% |
| City | Population | Air Quality Index | National Avg. |
| Hobucken, NC | 43 | 0 | 100.0% |
| Aurora, NC | 790 | 0 | 100.0% |
| Arapahoe, NC | 407 | 37 | 26.0% |
| Oriental, NC | 1,173 | 37 | 26.0% |
| Mesic, NC | 205 | 37 | 26.0% |
| Stonewall, NC | 295 | 37 | 26.0% |
| City | Population | Air Quality Index | National Avg. |
| Hornick, IA | 295 | 35 | 30.0% |
| Canada Creek Ranch, MI | 295 | 36 | 28.0% |
| Hadar, NE | 295 | 35 | 30.0% |
| Glenbrook, NV | 295 | 41 | 18.0% |
| Grand View-on-Hudson, NY | 295 | 51 | 2.0% |
| Stonewall, NC | 295 | 37 | 26.0% |