| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 34°F | 57°F | 45°F | 7.1" |
| February | 33°F | 57°F | 44°F | 5.8" |
| March | 41°F | 68°F | 53°F | 7.7" |
| April | 44°F | 73°F | 58°F | 5.2" |
| May | 52°F | 82°F | 67°F | 2.6" |
| June | 63°F | 89°F | 76°F | 8.2" |
| July | 68°F | 88°F | 76°F | 5.8" |
| August | 69°F | 94°F | 80°F | 6.8" |
| September | 62°F | 88°F | 73°F | 1.8" |
| October | 51°F | 76°F | 63°F | 4.2" |
| November | 40°F | 66°F | 52°F | 7.0" |
| December | 33°F | 56°F | 44°F | 8.4" |
| Index | Rockmart | Georgia | National |
| Air quality index | 44 | 41 | 42 |
| Pollution index | 14,162,500 | 1,874,972 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 217 |
| Days with moderate air quality | 148 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.220% |
| Benzene | 0.180% |
| Carbon Tetrachloride | 0.040% |
| Lead | 0.100% |
| Mercury | 0.040% |
| City | Population | Air Quality Index | National Avg. |
| Cartersville, GA | 21,331 | 44 | 12.0% |
| Lindale, GA | 5,282 | 44 | 12.0% |
| Buchanan, GA | 1,409 | 44 | 12.0% |
| Cedartown, GA | 10,062 | 44 | 12.0% |
| Taylorsville, GA | 319 | 44 | 12.0% |
| Rockmart, GA | 4,359 | 44 | 12.0% |
| City | Population | Air Quality Index | National Avg. |
| Nashville, AR | 4,359 | 39 | 22.0% |
| Château-Richer, QC | 4,359 | n/a | |
| Holt, AL | 4,358 | 35 | 30.0% |
| Swannanoa, NC | 4,360 | 44 | 12.0% |
| Captain Cook, HI | 4,361 | 16 | 68.0% |
| Rockmart, GA | 4,359 | 44 | 12.0% |
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