| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 37°F | 52°F | 44°F | 6.6" |
| February | 37°F | 53°F | 45°F | 6.0" |
| March | 44°F | 60°F | 51°F | 6.7" |
| April | 53°F | 69°F | 60°F | 4.6" |
| May | 61°F | 76°F | 68°F | 5.9" |
| June | 70°F | 84°F | 77°F | 4.6" |
| July | 74°F | 87°F | 80°F | 7.8" |
| August | 74°F | 85°F | 79°F | 5.2" |
| September | 69°F | 80°F | 74°F | 12.5" |
| October | 59°F | 73°F | 66°F | 7.7" |
| November | 48°F | 62°F | 55°F | 7.2" |
| December | 42°F | 57°F | 49°F | 8.1" |
| Index | Manteo | North Carolina | National |
| Air quality index | 40 | 35 | 42 |
| Pollution index | 491,299 | 2,789,538 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 317 |
| Days with moderate air quality | 48 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Nags Head, NC | 2,965 | 40 | 20.0% |
| Wanchese, NC | 2,092 | 40 | 20.0% |
| Kitty Hawk, NC | 3,534 | 40 | 20.0% |
| Kill Devil Hills, NC | 7,249 | 40 | 20.0% |
| Manns Harbor, NC | 719 | 40 | 20.0% |
| Manteo, NC | 1,883 | 40 | 20.0% |
| City | Population | Air Quality Index | National Avg. |
| Leon, IA | 1,883 | 39 | 22.0% |
| Freeland, WA | 1,883 | 24 | 52.0% |
| Cairo, IL | 1,884 | 44 | 12.0% |
| Ridgely, TN | 1,882 | 26 | 48.0% |
| Anson, TX | 1,884 | 26 | 48.0% |
| Manteo, NC | 1,883 | 40 | 20.0% |
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