| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 36°F | 57°F | 45°F | 5.1" |
| February | 38°F | 60°F | 48°F | 5.7" |
| March | 46°F | 69°F | 56°F | 6.0" |
| April | 53°F | 77°F | 64°F | 5.1" |
| May | 61°F | 82°F | 71°F | 4.2" |
| June | 69°F | 90°F | 78°F | 4.2" |
| July | 71°F | 91°F | 80°F | 5.2" |
| August | 71°F | 91°F | 79°F | 5.4" |
| September | 66°F | 86°F | 75°F | 3.8" |
| October | 54°F | 77°F | 64°F | 3.3" |
| November | 43°F | 67°F | 54°F | 4.1" |
| December | 40°F | 59°F | 48°F | 5.8" |
| Index | Alabaster | Alabama | National |
| Air quality index | 53 | 37 | 42 |
| Pollution index | 643,923 | 3,012,339 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 150 |
| Days with moderate air quality | 197 |
| Days w/ poor A.Q. for sensitive groups | 18 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.004% |
| Lead | 0.002% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Helena, AL | 19,288 | 53 | 6.0% |
| Pelham, AL | 24,223 | 53 | 6.0% |
| Shelby, AL | 1,012 | 53 | 6.0% |
| Meadowbrook, AL | 10,314 | 53 | 6.0% |
| Hoover, AL | 88,027 | 53 | 6.0% |
| Alabaster, AL | 34,559 | 53 | 6.0% |
| City | Population | Air Quality Index | National Avg. |
| Randolph, MA | 34,560 | 43 | 14.0% |
| Franklin Town, MA | 34,557 | 44 | 12.0% |
| Kearney, NE | 34,543 | 19 | 62.0% |
| DeLand, FL | 34,541 | 37 | 26.0% |
| Dalton, GA | 34,537 | 43 | 14.0% |
| Alabaster, AL | 34,559 | 53 | 6.0% |