| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 35°F | 58°F | 45°F | 3.6" |
| February | 36°F | 59°F | 47°F | 4.0" |
| March | 43°F | 66°F | 54°F | 4.1" |
| April | 52°F | 75°F | 63°F | 4.2" |
| May | 60°F | 81°F | 70°F | 4.2" |
| June | 68°F | 88°F | 77°F | 5.3" |
| July | 72°F | 90°F | 80°F | 5.7" |
| August | 71°F | 89°F | 79°F | 7.8" |
| September | 66°F | 84°F | 74°F | 7.5" |
| October | 55°F | 76°F | 64°F | 5.0" |
| November | 43°F | 67°F | 54°F | 4.3" |
| December | 39°F | 61°F | 49°F | 4.1" |
| Index | Jacksonville | North Carolina | National |
| Air quality index | 42 | 35 | 42 |
| Pollution index | 2,609,700 | 2,789,538 | 2,726,193 |
| Measurement | Total |
| Days measured | 237 |
| Days with good air quality | 205 |
| Days with moderate air quality | 32 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.030% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Sneads Ferry, NC | 2,326 | 34 | 32.0% |
| Pumpkin Center, NC | 1,850 | 37 | 26.0% |
| Maysville, NC | 1,001 | 37 | 26.0% |
| Piney Green, NC | 14,309 | 37 | 26.0% |
| Half Moon, NC | 8,384 | 42 | 16.0% |
| Jacksonville, NC | 74,313 | 42 | 16.0% |
| City | Population | Air Quality Index | National Avg. |
| Bolingbrook, IL | 74,319 | 55 | 10.0% |
| Wood Buffalo, AB | 74,298 | n/a | |
| Rochester Hills, MI | 74,340 | 56 | 12.0% |
| Pasco, WA | 74,266 | 37 | 26.0% |
| Sault Ste. Marie, ON | 74,249 | n/a | |
| Jacksonville, NC | 74,313 | 42 | 16.0% |
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