| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 40°F | 63°F | 51°F | 4.0" |
| February | 39°F | 65°F | 51°F | 3.5" |
| March | 46°F | 72°F | 58°F | 3.7" |
| April | 52°F | 79°F | 65°F | 4.2" |
| May | 61°F | 86°F | 73°F | 4.1" |
| June | 69°F | 91°F | 79°F | 5.8" |
| July | 71°F | 93°F | 81°F | 4.0" |
| August | 73°F | 92°F | 81°F | 6.4" |
| September | 68°F | 88°F | 77°F | 3.8" |
| October | 58°F | 80°F | 67°F | 4.1" |
| November | 46°F | 71°F | 57°F | 2.4" |
| December | 43°F | 66°F | 53°F | 5.1" |
| Index | Graham | Georgia | National |
| Air quality index | 32 | 41 | 50 |
| Pollution index | 1,649,070 | 3,237,553 | 5,066,862 |
| Measurement | Total |
| Days measured | 56 |
| Days with good air quality | 49 |
| Days with moderate air quality | 7 |
| Days w/ poor A.Q. for sensitive groups | |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.050% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.020% |
| Mercury | 0.001% |
| City, State | Population | Air Quality Index | National Avg. |
| Baxley, GA | 4,737 | 32 | 36% |
| Satilla, GA | 499 | 32 | 36% |
| Denton, GA | 209 | 32 | 36% |
| Uvalda, GA | 590 | 32 | 36% |
| Hazlehurst, GA | 4,211 | 32 | 36% |
| Graham, GA | 261 | 32 | 36% |
| City, State | Population | Air Quality Index | National Avg. |
| Koyuk, AK | 261 | 37 | 26% |
| Chance, MD | 261 | 37 | 26% |
| Ludlow Falls, OH | 261 | 48 | 4% |
| Oberlin, PA | 261 | 52 | 4% |
| Emma, MO | 261 | 58 | 16% |
| Graham, GA | 261 | 32 | 36% |