| 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 | Richlands | 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. |
| Piney Green, NC | 14,309 | 37 | 26.0% |
| Pumpkin Center, NC | 1,850 | 37 | 26.0% |
| Pink Hill, NC | 636 | 42 | 16.0% |
| Trenton, NC | 256 | 42 | 16.0% |
| Half Moon, NC | 8,384 | 42 | 16.0% |
| Richlands, NC | 2,870 | 42 | 16.0% |
| City | Population | Air Quality Index | National Avg. |
| Good Hope, AL | 2,870 | 41 | 18.0% |
| Lodi, OH | 2,870 | 43 | 14.0% |
| Youngwood, PA | 2,870 | 56 | 12.0% |
| Turner Valley, AB | 2,870 | n/a | |
| Long Neck, DE | 2,869 | 36 | 28.0% |
| Richlands, NC | 2,870 | 42 | 16.0% |
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