| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 39°F | 61°F | 48°F | 9.4" |
| February | 41°F | 64°F | 51°F | 7.9" |
| March | 49°F | 73°F | 60°F | 13.5" |
| April | 56°F | 80°F | 67°F | 7.9" |
| May | 63°F | 86°F | 73°F | 10.8" |
| June | 71°F | 93°F | 81°F | 7.9" |
| July | 72°F | 94°F | 82°F | 3.8" |
| August | 73°F | 96°F | 82°F | 6.9" |
| September | 67°F | 91°F | 77°F | 6.3" |
| October | 55°F | 82°F | 66°F | 8.0" |
| November | 46°F | 71°F | 57°F | 6.3" |
| December | 41°F | 62°F | 50°F | 7.5" |
| Index | Montgomery | Louisiana | National |
| Air quality index | 30 | 106 | 42 |
| Pollution index | 2,517,590 | 2,526,475 | 2,726,193 |
| Measurement | Total |
| Days measured | 119 |
| Days with good air quality | 107 |
| Days with moderate air quality | 12 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.002% |
| Benzene | 0.030% |
| Carbon Tetrachloride | 0.070% |
| Lead | 0.010% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Natchitoches, LA | 17,711 | 30 | 40.0% |
| Atlanta, LA | 186 | 30 | 40.0% |
| Point Place, LA | 602 | 30 | 40.0% |
| St. Maurice, LA | 368 | 30 | 40.0% |
| Clarence, LA | 329 | 30 | 40.0% |
| Montgomery, LA | 778 | 30 | 40.0% |
| City | Population | Air Quality Index | National Avg. |
| Oak Creek, CO | 778 | 47 | 6.0% |
| Dover, ID | 778 | 43 | 14.0% |
| Oneida, IL | 778 | 46 | 8.0% |
| Wataga, IL | 778 | 41 | 18.0% |
| Laurel, IN | 778 | 6 | 88.0% |
| Montgomery, LA | 778 | 30 | 40.0% |
Here are the best places to live in Louisiana
See the best places to live in Montgomery
Check out the 10 most dangerous cities in Louisiana
Most Dangerous Cities In The US