| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 32°F | 52°F | 41°F | 5.1" |
| February | 34°F | 55°F | 43°F | 5.1" |
| March | 41°F | 64°F | 52°F | 5.1" |
| April | 50°F | 73°F | 61°F | 7.7" |
| May | 58°F | 79°F | 68°F | 7.4" |
| June | 66°F | 86°F | 75°F | 7.1" |
| July | 69°F | 88°F | 78°F | 5.6" |
| August | 69°F | 87°F | 77°F | 6.9" |
| September | 62°F | 81°F | 71°F | 8.1" |
| October | 50°F | 72°F | 60°F | 7.0" |
| November | 39°F | 62°F | 50°F | 8.4" |
| December | 36°F | 56°F | 45°F | 9.5" |
| Index | Denton | North Carolina | National |
| Air quality index | 40 | 35 | 42 |
| Pollution index | 16,424,300 | 2,789,538 | 2,726,193 |
| Measurement | Total |
| Days measured | 357 |
| Days with good air quality | 260 |
| Days with moderate air quality | 97 |
| Days w/ poor A.Q. for sensitive groups | |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.130% |
| Carbon Tetrachloride | 0.040% |
| Lead | 0.030% |
| Mercury | 0.010% |
| City | Population | Air Quality Index | National Avg. |
| Lexington, NC | 18,970 | 40 | 20.0% |
| Tyro, NC | 3,239 | 40 | 20.0% |
| Misenheimer, NC | 702 | 40 | 20.0% |
| New London, NC | 640 | 40 | 20.0% |
| Southmont, NC | 1,165 | 40 | 20.0% |
| Denton, NC | 1,355 | 40 | 20.0% |
| City | Population | Air Quality Index | National Avg. |
| Shokan, NY | 1,355 | 36 | 28.0% |
| North Charleroi, PA | 1,355 | 56 | 12.0% |
| Jonesville, VA | 1,355 | 45 | 10.0% |
| Coulee Dam, WA | 1,355 | 18 | 64.0% |
| Carbon Hill, AL | 1,354 | 35 | 30.0% |
| Denton, NC | 1,355 | 40 | 20.0% |
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