| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 31°F | 52°F | 40°F | 5.8" |
| February | 33°F | 53°F | 41°F | 5.5" |
| March | 39°F | 63°F | 50°F | 4.4" |
| April | 49°F | 75°F | 61°F | 6.7" |
| May | 58°F | 81°F | 69°F | 5.8" |
| June | 64°F | 89°F | 77°F | 7.1" |
| July | 69°F | 91°F | 79°F | 10.4" |
| August | 64°F | 90°F | 77°F | 6.0" |
| September | 61°F | 85°F | 72°F | 8.6" |
| October | 51°F | 75°F | 62°F | 7.3" |
| November | 40°F | 63°F | 50°F | 8.2" |
| December | 39°F | 61°F | 49°F | 7.8" |
| Index | Speed | North Carolina | National |
| Air quality index | 36 | 35 | 42 |
| Pollution index | 2,959,880 | 2,789,538 | 2,726,193 |
| Measurement | Total |
| Days measured | 363 |
| Days with good air quality | 325 |
| Days with moderate air quality | 38 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.040% |
| Carbon Tetrachloride | 0.004% |
| Lead | 0.010% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Whitakers, NC | 581 | 36 | 28.0% |
| Scotland Neck, NC | 1,770 | 36 | 28.0% |
| Enfield, NC | 2,348 | 36 | 28.0% |
| Leggett, NC | 43 | 36 | 28.0% |
| Macclesfield, NC | 311 | 36 | 28.0% |
| Speed, NC | 83 | 36 | 28.0% |
| City | Population | Air Quality Index | National Avg. |
| Gulkana, AK | 83 | 31 | 38.0% |
| Pilot Point, AK | 83 | 31 | 38.0% |
| Higden, AR | 83 | 45 | 10.0% |
| Patmos, AR | 83 | 39 | 22.0% |
| Ledyard, IA | 83 | 15 | 70.0% |
| Speed, NC | 83 | 36 | 28.0% |
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