| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 34°F | 56°F | 44°F | 6.4" |
| February | 35°F | 58°F | 45°F | 6.5" |
| March | 41°F | 66°F | 53°F | 5.3" |
| April | 50°F | 76°F | 62°F | 7.6" |
| May | 58°F | 82°F | 69°F | 8.6" |
| June | 66°F | 89°F | 77°F | 9.7" |
| July | 70°F | 91°F | 79°F | 12.7" |
| August | 70°F | 89°F | 78°F | 11.7" |
| September | 64°F | 83°F | 73°F | 12.5" |
| October | 53°F | 75°F | 63°F | 8.9" |
| November | 42°F | 65°F | 52°F | 8.2" |
| December | 38°F | 60°F | 48°F | 8.1" |
| Index | Watha | North Carolina | National |
| Air quality index | 34 | 35 | 42 |
| Pollution index | 949,752 | 2,789,538 | 2,726,193 |
| Measurement | Total |
| Days measured | 348 |
| Days with good air quality | 319 |
| Days with moderate air quality | 29 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.002% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.010% |
| Mercury | 0.002% |
| City | Population | Air Quality Index | National Avg. |
| Burgaw, NC | 4,101 | 34 | 32.0% |
| St. Helena, NC | 410 | 34 | 32.0% |
| Teachey, NC | 558 | 34 | 32.0% |
| Rocky Point, NC | 1,644 | 34 | 32.0% |
| Wallace, NC | 3,883 | 34 | 32.0% |
| Watha, NC | 255 | 34 | 32.0% |
| City | Population | Air Quality Index | National Avg. |
| Whittier, AK | 255 | 31 | 38.0% |
| Boone, CO | 255 | 20 | 60.0% |
| Davis City, IA | 255 | 39 | 22.0% |
| Norris, IL | 255 | 41 | 18.0% |
| Pinesburg, MD | 255 | 40 | 20.0% |
| Watha, NC | 255 | 34 | 32.0% |
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