| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 34°F | 54°F | 43°F | 4.8" |
| February | 35°F | 57°F | 45°F | 4.5" |
| March | 42°F | 66°F | 53°F | 4.6" |
| April | 52°F | 76°F | 63°F | 7.5" |
| May | 60°F | 82°F | 70°F | 8.3" |
| June | 69°F | 90°F | 78°F | 7.3" |
| July | 72°F | 92°F | 80°F | 9.8" |
| August | 71°F | 90°F | 79°F | 6.0" |
| September | 65°F | 84°F | 73°F | 10.4" |
| October | 53°F | 75°F | 62°F | 8.3" |
| November | 41°F | 64°F | 51°F | 6.7" |
| December | 38°F | 58°F | 47°F | 8.0" |
| Index | Dunn | North Carolina | National |
| Air quality index | 41 | 35 | 42 |
| Pollution index | 2,919,900 | 2,789,538 | 2,726,193 |
| Measurement | Total |
| Days measured | 363 |
| Days with good air quality | 282 |
| Days with moderate air quality | 81 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.002% |
| Benzene | 0.040% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.010% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Buies Creek, NC | 3,388 | 29 | 42.0% |
| Lillington, NC | 3,605 | 29 | 42.0% |
| Newton Grove, NC | 616 | 40 | 20.0% |
| Four Oaks, NC | 2,225 | 40 | 20.0% |
| Smithfield, NC | 12,697 | 40 | 20.0% |
| Dunn, NC | 9,738 | 41 | 18.0% |
| City | Population | Air Quality Index | National Avg. |
| Havre, MT | 9,739 | 21 | 58.0% |
| North Gates, NY | 9,740 | 37 | 26.0% |
| Uniontown, PA | 9,740 | 36 | 28.0% |
| Lake Arrowhead, CA | 9,741 | 89 | 78.0% |
| Bull Mountain, OR | 9,732 | 38 | 24.0% |
| Dunn, NC | 9,738 | 41 | 18.0% |
Here are the best places to live in North Carolina
Most Dangerous Cities In The US
These are the 10 cheapest cities in North Carolina
Most Dangerous States In The US