| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 38°F | 52°F | 44°F | 4.9" |
| February | 38°F | 53°F | 44°F | 4.4" |
| March | 44°F | 60°F | 51°F | 4.5" |
| April | 53°F | 69°F | 60°F | 4.3" |
| May | 61°F | 76°F | 68°F | 5.1" |
| June | 71°F | 84°F | 77°F | 5.0" |
| July | 74°F | 88°F | 80°F | 8.7" |
| August | 73°F | 87°F | 79°F | 6.0" |
| September | 69°F | 82°F | 74°F | 6.3" |
| October | 60°F | 73°F | 66°F | 5.0" |
| November | 50°F | 62°F | 55°F | 6.6" |
| December | 44°F | 57°F | 50°F | 4.8" |
| Index | Duck | 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. |
| Kitty Hawk, NC | 3,534 | 40 | 20.0% |
| Southern Shores, NC | 2,931 | 40 | 20.0% |
| Kill Devil Hills, NC | 7,249 | 40 | 20.0% |
| Coinjock, NC | 379 | 40 | 20.0% |
| Duck, NC | 584 | 40 | 20.0% |
| City | Population | Air Quality Index | National Avg. |
| Norwood, CO | 584 | 44 | 12.0% |
| Allenhurst, GA | 584 | 39 | 22.0% |
| Loyall, KY | 584 | 39 | 22.0% |
| Alma, MO | 584 | 47 | 6.0% |
| Gainesville, MO | 584 | 36 | 28.0% |
| Duck, NC | 584 | 40 | 20.0% |
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