| 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 | Rodanthe | 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. |
| Salvo, NC | 94 | 0 | 100.0% |
| Waves, NC | 57 | 0 | 100.0% |
| Rodanthe, NC | 178 | 40 | 20.0% |
| City | Population | Air Quality Index | National Avg. |
| Kaktovik, AK | 178 | 38 | 24.0% |
| Kenny Lake, AK | 178 | 31 | 38.0% |
| Gaylesville, AL | 178 | 39 | 22.0% |
| Mount Vernon, AR | 178 | 45 | 10.0% |
| Ravenden Springs, AR | 178 | 26 | 48.0% |
| Rodanthe, NC | 178 | 40 | 20.0% |
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