| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 36°F | 58°F | 47°F | 4.9" |
| February | 34°F | 57°F | 45°F | 3.9" |
| March | 41°F | 69°F | 54°F | 4.7" |
| April | 49°F | 75°F | 62°F | 6.3" |
| May | 57°F | 81°F | 69°F | 2.1" |
| June | 67°F | 88°F | 77°F | 7.2" |
| July | 71°F | 92°F | 81°F | 8.0" |
| August | 72°F | 94°F | 82°F | 6.6" |
| September | 66°F | 88°F | 76°F | 5.3" |
| October | 57°F | 78°F | 67°F | 8.8" |
| November | 42°F | 67°F | 54°F | 3.8" |
| December | 37°F | 59°F | 47°F | 5.5" |
| Index | Rex | North Carolina | National |
| Air quality index | 30 | 35 | 42 |
| Pollution index | 940,521 | 2,789,538 | 2,726,193 |
| Measurement | Total |
| Days measured | 117 |
| Days with good air quality | 101 |
| Days with moderate air quality | 16 |
| Days w/ poor A.Q. for sensitive groups | |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.003% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Wakulla, NC | 111 | 30 | 40.0% |
| St. Pauls, NC | 2,114 | 30 | 40.0% |
| Red Springs, NC | 3,291 | 30 | 40.0% |
| Barker Ten Mile, NC | 955 | 30 | 40.0% |
| Tar Heel, NC | 122 | 30 | 40.0% |
| Rex, NC | 56 | 30 | 40.0% |
| City | Population | Air Quality Index | National Avg. |
| Hughes, AK | 56 | 38 | 24.0% |
| Northway Junction, AK | 56 | 38 | 24.0% |
| Shageluk, AK | 56 | 31 | 38.0% |
| Beedeville, AR | 56 | 45 | 10.0% |
| Aspen Springs, CA | 56 | 47 | 6.0% |
| Rex, NC | 56 | 30 | 40.0% |
Here are the best places to live in North Carolina
10 Best cities in North Carolina for employment
These are the 10 most affordable cities in North Carolina
10 best cities to buy a new house in North Carolina