| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 34°F | 57°F | 44°F | 4.7" |
| February | 36°F | 60°F | 47°F | 4.5" |
| March | 44°F | 68°F | 55°F | 4.6" |
| April | 51°F | 76°F | 64°F | 4.6" |
| May | 60°F | 82°F | 71°F | 3.7" |
| June | 68°F | 89°F | 78°F | 4.3" |
| July | 71°F | 91°F | 80°F | 5.2" |
| August | 71°F | 90°F | 79°F | 5.3" |
| September | 65°F | 85°F | 74°F | 3.3" |
| October | 53°F | 76°F | 64°F | 3.4" |
| November | 42°F | 67°F | 54°F | 3.4" |
| December | 38°F | 59°F | 48°F | 6.2" |
| Index | Irondale | Georgia | National |
| Air quality index | 52 | 41 | 42 |
| Pollution index | 4,626,350 | 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 | 0.040% |
| Benzene | 0.070% |
| Carbon Tetrachloride | 0.020% |
| Lead | 0.020% |
| Mercury | 0.002% |
| City | Population | Air Quality Index | National Avg. |
| Riverdale, GA | 15,455 | 52 | 4.0% |
| Jonesboro, GA | 5,428 | 52 | 4.0% |
| Sunny Side, GA | 213 | 52 | 4.0% |
| Forest Park, GA | 19,884 | 52 | 4.0% |
| Experiment, GA | 2,915 | 52 | 4.0% |
| Irondale, GA | 8,107 | 52 | 4.0% |
| City | Population | Air Quality Index | National Avg. |
| North Bay Village, FL | 8,108 | 41 | 18.0% |
| Eden Isle, LA | 8,103 | 45 | 10.0% |
| Vinton, VA | 8,102 | 38 | 24.0% |
| Island Lake, IL | 8,112 | 39 | 22.0% |
| Topanga, CA | 8,098 | 72 | 44.0% |
| Irondale, GA | 8,107 | 52 | 4.0% |
Here are the best places to live in Georgia
These are the largest cities in Georgia
Check out the 10 most dangerous cities in Georgia
These are the 10 cheapest cities in Georgia