| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 38°F | 59°F | 48°F | 10.3" |
| February | 40°F | 63°F | 50°F | 9.0" |
| March | 48°F | 72°F | 59°F | 9.6" |
| April | 55°F | 79°F | 67°F | 9.2" |
| May | 63°F | 85°F | 73°F | 10.1" |
| June | 71°F | 92°F | 81°F | 10.6" |
| July | 73°F | 92°F | 82°F | 10.1" |
| August | 73°F | 93°F | 82°F | 7.8" |
| September | 68°F | 88°F | 77°F | 7.6" |
| October | 56°F | 79°F | 66°F | 8.8" |
| November | 45°F | 69°F | 56°F | 9.5" |
| December | 42°F | 62°F | 51°F | 11.5" |
| Index | Montgomery | Alabama | National |
| Air quality index | 52 | 37 | 42 |
| Pollution index | 2,072,150 | 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 | 0.004% |
| Benzene | 0.030% |
| Carbon Tetrachloride | 0.004% |
| Lead | 0.020% |
| Mercury | 0.004% |
| City | Population | Air Quality Index | National Avg. |
| Blue Ridge, AL | 1,353 | 52 | 4.0% |
| Millbrook, AL | 16,037 | 52 | 4.0% |
| Coosada, AL | 935 | 52 | 4.0% |
| Pike Road, AL | 9,745 | 52 | 4.0% |
| Pine Level, AL | 3,621 | 52 | 4.0% |
| Montgomery, AL | 199,054 | 52 | 4.0% |
| City | Population | Air Quality Index | National Avg. |
| Amarillo, TX | 199,225 | 44 | 12.0% |
| Aurora, IL | 199,326 | 55 | 10.0% |
| Glendale, CA | 199,357 | 72 | 44.0% |
| Grand Rapids, MI | 199,417 | 38 | 24.0% |
| Huntington Beach, CA | 199,778 | 72 | 44.0% |
| Montgomery, AL | 199,054 | 52 | 4.0% |
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