| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 39°F | 67°F | 53°F | 4.1" |
| February | 40°F | 70°F | 54°F | 5.0" |
| March | 46°F | 77°F | 61°F | 4.3" |
| April | 53°F | 83°F | 68°F | 4.9" |
| May | 61°F | 89°F | 75°F | 2.9" |
| June | 70°F | 94°F | 80°F | 7.6" |
| July | 72°F | 94°F | 81°F | 6.5" |
| August | 73°F | 94°F | 82°F | 8.3" |
| September | 69°F | 91°F | 79°F | 3.9" |
| October | 57°F | 84°F | 70°F | 2.7" |
| November | 46°F | 76°F | 60°F | 3.5" |
| December | 43°F | 70°F | 56°F | 5.7" |
| Index | Thomasville | Georgia | National |
| Air quality index | 40 | 41 | 42 |
| Pollution index | 1,445,320 | 1,874,972 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 272 |
| Days with moderate air quality | 92 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.020% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.010% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Coolidge, GA | 576 | 35 | 30.0% |
| Barwick, GA | 285 | 35 | 30.0% |
| Boston, GA | 1,122 | 35 | 30.0% |
| Pavo, GA | 627 | 35 | 30.0% |
| Ochlocknee, GA | 718 | 40 | 20.0% |
| Thomasville, GA | 18,530 | 40 | 20.0% |
| City | Population | Air Quality Index | National Avg. |
| Altus, OK | 18,533 | 43 | 14.0% |
| Milledgeville, GA | 18,526 | 38 | 24.0% |
| Lake Shore, MD | 18,523 | 46 | 8.0% |
| Merrifield, VA | 18,523 | 47 | 6.0% |
| Rancho Mirage, CA | 18,537 | 89 | 78.0% |
| Thomasville, GA | 18,530 | 40 | 20.0% |
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