| 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 | 26 | 41 | 42 |
| Pollution index | 1,649,070 | 1,874,972 | 2,726,193 |
| Measurement | Total |
| Days measured | 121 |
| Days with good air quality | 107 |
| Days with moderate air quality | 14 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.050% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.020% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Hazlehurst, GA | 4,069 | 26 | 48.0% |
| Baxley, GA | 4,703 | 26 | 48.0% |
| Lumber City, GA | 1,425 | 26 | 48.0% |
| Uvalda, GA | 413 | 26 | 48.0% |
| Satilla, GA | 176 | 26 | 48.0% |
| Graham, GA | 581 | 26 | 48.0% |
| City | Population | Air Quality Index | National Avg. |
| Junction City, IL | 581 | 43 | 14.0% |
| Benham, KY | 581 | 45 | 10.0% |
| Freeport, MI | 581 | 38 | 24.0% |
| Randall, MN | 581 | 29 | 42.0% |
| Morrisville, MO | 581 | 39 | 22.0% |
| Graham, GA | 581 | 26 | 48.0% |
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