| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 42°F | 64°F | 52°F | 10.7" |
| February | 46°F | 69°F | 56°F | 9.6" |
| March | 52°F | 74°F | 62°F | 9.5" |
| April | 59°F | 80°F | 69°F | 12.2" |
| May | 63°F | 84°F | 73°F | 18.2" |
| June | 72°F | 89°F | 80°F | 8.0" |
| July | 73°F | 91°F | 81°F | 7.0" |
| August | 73°F | 91°F | 80°F | 13.6" |
| September | 70°F | 89°F | 78°F | 8.0" |
| October | 59°F | 82°F | 69°F | 9.8" |
| November | 49°F | 73°F | 60°F | 6.0" |
| December | 47°F | 68°F | 56°F | 6.6" |
| Index | Gramercy | Louisiana | National |
| Air quality index | 41 | 106 | 42 |
| Pollution index | 2,337,990 | 2,526,475 | 2,726,193 |
| Measurement | Total |
| Days measured | 361 |
| Days with good air quality | 272 |
| Days with moderate air quality | 87 |
| Days w/ poor A.Q. for sensitive groups | 2 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.030% |
| Carbon Tetrachloride | 0.004% |
| Lead | 0.002% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Garyville, LA | 1,966 | 30 | 40.0% |
| Laplace, LA | 29,232 | 30 | 40.0% |
| Reserve, LA | 8,506 | 30 | 40.0% |
| North Vacherie, LA | 1,641 | 41 | 18.0% |
| Chackbay, LA | 5,108 | 41 | 18.0% |
| Gramercy, LA | 3,249 | 41 | 18.0% |
| City | Population | Air Quality Index | National Avg. |
| Louisiana, MO | 3,248 | 41 | 18.0% |
| Mount Shasta, CA | 3,250 | 42 | 16.0% |
| Skippers Corner, NC | 3,250 | 34 | 32.0% |
| Cornville, AZ | 3,247 | 43 | 14.0% |
| Ferriday, LA | 3,247 | 30 | 40.0% |
| Gramercy, LA | 3,249 | 41 | 18.0% |
Here are the best places to live in Louisiana
Check out the 10 safest cities in Louisiana
Check out the 10 most dangerous cities in Louisiana
Safest Cities In The US