| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 36°F | 57°F | 45°F | 4.9" |
| February | 35°F | 58°F | 46°F | 8.7" |
| March | 43°F | 68°F | 55°F | 9.3" |
| April | 47°F | 72°F | 59°F | 8.7" |
| May | 56°F | 81°F | 68°F | 6.6" |
| June | 66°F | 88°F | 76°F | 6.3" |
| July | 69°F | 88°F | 77°F | 12.9" |
| August | 71°F | 93°F | 80°F | 9.3" |
| September | 65°F | 87°F | 75°F | 4.1" |
| October | 54°F | 76°F | 64°F | 6.4" |
| November | 41°F | 66°F | 52°F | 4.0" |
| December | 36°F | 56°F | 45°F | 8.1" |
| Index | Lithonia | Georgia | National |
| Air quality index | 52 | 41 | 42 |
| Pollution index | 13,513,500 | 1,874,972 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 162 |
| Days with moderate air quality | 184 |
| Days w/ poor A.Q. for sensitive groups | 18 |
| Days with unhealthy air quality | 1 |
| Pollutant | Total |
| Arsenic | 0.170% |
| Benzene | 0.180% |
| Carbon Tetrachloride | 0.040% |
| Lead | 0.080% |
| Mercury | 0.005% |
| City | Population | Air Quality Index | National Avg. |
| Walnut Grove, GA | 1,739 | 44 | 12.0% |
| Jonesboro, GA | 5,428 | 52 | 4.0% |
| Conley, GA | 6,645 | 52 | 4.0% |
| Forest Park, GA | 19,884 | 52 | 4.0% |
| North Decatur, GA | 15,833 | 52 | 4.0% |
| Lithonia, GA | 2,488 | 52 | 4.0% |
| City | Population | Air Quality Index | National Avg. |
| Pine Air, FL | 2,488 | 36 | 28.0% |
| Bloomfield, IN | 2,488 | 42 | 16.0% |
| Country Club, MO | 2,488 | 43 | 14.0% |
| Privateer, SC | 2,487 | 43 | 14.0% |
| Fort Pierre, SD | 2,487 | 20 | 60.0% |
| Lithonia, GA | 2,488 | 52 | 4.0% |
Here are the best places to live in Georgia
Most Dangerous States In The US
These are the 10 cheapest cities in Georgia
Check out the 10 most dangerous cities in Georgia