| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 35°F | 56°F | 44°F | 5.3" |
| February | 36°F | 58°F | 46°F | 5.9" |
| March | 43°F | 66°F | 54°F | 4.4" |
| April | 52°F | 76°F | 63°F | 6.4" |
| May | 60°F | 82°F | 70°F | 7.5" |
| June | 68°F | 89°F | 77°F | 7.9" |
| July | 71°F | 91°F | 80°F | 5.9" |
| August | 70°F | 89°F | 78°F | 9.7" |
| September | 65°F | 84°F | 73°F | 5.9" |
| October | 53°F | 75°F | 63°F | 6.7" |
| November | 42°F | 65°F | 52°F | 7.2" |
| December | 40°F | 60°F | 48°F | 6.4" |
| Index | Newton Grove | North Carolina | National |
| Air quality index | 40 | 35 | 42 |
| Pollution index | 2,919,900 | 2,789,538 | 2,726,193 |
| Measurement | Total |
| Days measured | 359 |
| Days with good air quality | 237 |
| Days with moderate air quality | 122 |
| Days w/ poor A.Q. for sensitive groups | |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.002% |
| Benzene | 0.040% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.010% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Calypso, NC | 663 | 40 | 20.0% |
| Faison, NC | 1,217 | 40 | 20.0% |
| Vann Crossroads, NC | 417 | 40 | 20.0% |
| Keener, NC | 180 | 40 | 20.0% |
| Four Oaks, NC | 2,278 | 40 | 20.0% |
| Newton Grove, NC | 636 | 40 | 20.0% |
| City | Population | Air Quality Index | National Avg. |
| Calpella, CA | 636 | 33 | 34.0% |
| Waikane, HI | 636 | 30 | 40.0% |
| Arcadia, MO | 636 | 54 | 8.0% |
| Sinclairville, NY | 636 | 37 | 26.0% |
| Lawrenceville, PA | 636 | 35 | 30.0% |
| Newton Grove, NC | 636 | 40 | 20.0% |