| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 37°F | 59°F | 47°F | 5.0" |
| February | 39°F | 62°F | 49°F | 5.0" |
| March | 47°F | 71°F | 58°F | 6.1" |
| April | 54°F | 78°F | 66°F | 5.2" |
| May | 61°F | 84°F | 72°F | 4.3" |
| June | 69°F | 91°F | 79°F | 3.9" |
| July | 71°F | 92°F | 81°F | 6.1" |
| August | 71°F | 92°F | 81°F | 5.9" |
| September | 65°F | 88°F | 76°F | 3.2" |
| October | 53°F | 79°F | 65°F | 3.3" |
| November | 43°F | 68°F | 55°F | 4.0" |
| December | 40°F | 61°F | 49°F | 5.4" |
| Index | Gainesville | Alabama | National |
| Air quality index | 36 | 37 | 42 |
| Pollution index | 765,692 | 3,012,339 | 2,726,193 |
| Measurement | Total |
| Days measured | 245 |
| Days with good air quality | 229 |
| Days with moderate air quality | 16 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.004% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.010% |
| Mercury | 0.003% |
| City | Population | Air Quality Index | National Avg. |
| Union, AL | 314 | 35 | 30.0% |
| Boligee, AL | 308 | 35 | 30.0% |
| Emelle, AL | 76 | 36 | 28.0% |
| Geiger, AL | 252 | 36 | 28.0% |
| Epes, AL | 439 | 36 | 28.0% |
| Gainesville, AL | 366 | 36 | 28.0% |
| City | Population | Air Quality Index | National Avg. |
| Central, AZ | 366 | 47 | 6.0% |
| Clarksburg, CA | 366 | 52 | 4.0% |
| Gumbranch, GA | 366 | 39 | 22.0% |
| Calamus, IA | 366 | 46 | 8.0% |
| Brewster, KS | 366 | 19 | 62.0% |
| Gainesville, AL | 366 | 36 | 28.0% |
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