| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 31°F | 54°F | 42°F | 5.7" |
| February | 33°F | 57°F | 45°F | 5.3" |
| March | 42°F | 66°F | 54°F | 5.8" |
| April | 50°F | 76°F | 63°F | 6.0" |
| May | 58°F | 82°F | 70°F | 7.0" |
| June | 67°F | 90°F | 78°F | 7.3" |
| July | 71°F | 91°F | 80°F | 8.8" |
| August | 70°F | 90°F | 79°F | 7.5" |
| September | 63°F | 84°F | 73°F | 13.5" |
| October | 50°F | 75°F | 62°F | 11.7" |
| November | 38°F | 65°F | 50°F | 7.5" |
| December | 35°F | 58°F | 46°F | 8.6" |
| Index | Norman | North Carolina | National |
| Air quality index | 29 | 35 | 42 |
| Pollution index | 691,074 | 2,789,538 | 2,726,193 |
| Measurement | Total |
| Days measured | 57 |
| Days with good air quality | 57 |
| Days with moderate air quality | |
| Days w/ poor A.Q. for sensitive groups | |
| Days with unhealthy air quality |
| 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. |
| Pinehurst, NC | 16,382 | 29 | 42.0% |
| Candor, NC | 1,173 | 29 | 42.0% |
| Foxfire, NC | 1,757 | 29 | 42.0% |
| Seven Lakes, NC | 4,438 | 29 | 42.0% |
| Ellerbe, NC | 1,032 | 29 | 42.0% |
| Norman, NC | 197 | 29 | 42.0% |
| City | Population | Air Quality Index | National Avg. |
| Black Oak, AR | 197 | 45 | 10.0% |
| Wainiha, HI | 197 | 13 | 74.0% |
| Island Park, ID | 197 | 43 | 14.0% |
| White City, IL | 197 | 54 | 8.0% |
| Morganville, KS | 197 | 32 | 36.0% |
| Norman, NC | 197 | 29 | 42.0% |
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