| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 35°F | 57°F | 45°F | 3.6" |
| February | 36°F | 59°F | 46°F | 3.8" |
| March | 43°F | 65°F | 53°F | 3.2" |
| April | 52°F | 73°F | 62°F | 4.1" |
| May | 60°F | 80°F | 69°F | 4.1" |
| June | 68°F | 87°F | 77°F | 4.7" |
| July | 72°F | 89°F | 79°F | 6.8" |
| August | 71°F | 88°F | 79°F | 7.6" |
| September | 67°F | 84°F | 74°F | 9.3" |
| October | 56°F | 76°F | 65°F | 5.4" |
| November | 45°F | 67°F | 55°F | 3.9" |
| December | 40°F | 61°F | 50°F | 4.3" |
| Index | Arapahoe | North Carolina | National |
| Air quality index | 37 | 35 | 42 |
| Pollution index | 3,449,020 | 2,789,538 | 2,726,193 |
| Measurement | Total |
| Days measured | 259 |
| Days with good air quality | 239 |
| Days with moderate air quality | 20 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.050% |
| Benzene | 0.030% |
| Carbon Tetrachloride | 0.040% |
| Lead | 0.030% |
| Mercury | 0.010% |
| City | Population | Air Quality Index | National Avg. |
| Bridgeton, NC | 329 | 0 | 100.0% |
| Grantsboro, NC | 586 | 37 | 26.0% |
| Mesic, NC | 197 | 37 | 26.0% |
| Stonewall, NC | 285 | 37 | 26.0% |
| New Bern, NC | 29,985 | 37 | 26.0% |
| Arapahoe, NC | 397 | 37 | 26.0% |
| City | Population | Air Quality Index | National Avg. |
| Sulphur Springs city, AR | 397 | 45 | 10.0% |
| Chloride, AZ | 397 | 13 | 74.0% |
| Wellton Hills, AZ | 397 | 45 | 10.0% |
| Melvin, IL | 397 | 42 | 16.0% |
| Fairhaven, MN | 397 | 32 | 36.0% |
| Arapahoe, NC | 397 | 37 | 26.0% |
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