| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 38°F | 61°F | 48°F | 6.5" |
| February | 40°F | 64°F | 50°F | 6.1" |
| March | 48°F | 73°F | 59°F | 5.9" |
| April | 54°F | 78°F | 65°F | 4.9" |
| May | 61°F | 85°F | 72°F | 4.4" |
| June | 69°F | 91°F | 79°F | 6.4" |
| July | 71°F | 92°F | 80°F | 5.3" |
| August | 71°F | 92°F | 80°F | 5.4" |
| September | 66°F | 88°F | 76°F | 3.7" |
| October | 54°F | 80°F | 66°F | 4.2" |
| November | 44°F | 69°F | 56°F | 4.2" |
| December | 42°F | 63°F | 52°F | 7.0" |
| Index | Greenville | Alabama | National |
| Air quality index | 52 | 37 | 42 |
| Pollution index | 917,170 | 3,012,339 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 171 |
| Days with moderate air quality | 193 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Fort Deposit, AL | 1,770 | 52 | 4.0% |
| Georgiana, AL | 1,597 | 52 | 4.0% |
| Greenville, AL | 7,478 | 52 | 4.0% |
| City | Population | Air Quality Index | National Avg. |
| Hillcrest, NY | 7,478 | 51 | 2.0% |
| Belen, NM | 7,476 | 53 | 6.0% |
| Villa Hills, KY | 7,475 | 54 | 8.0% |
| Robinwood, MD | 7,482 | 40 | 20.0% |
| Albertville, MN | 7,483 | 46 | 8.0% |
| Greenville, AL | 7,478 | 52 | 4.0% |
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