| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 39°F | 63°F | 50°F | 5.2" |
| February | 42°F | 65°F | 52°F | 5.6" |
| March | 49°F | 74°F | 60°F | 5.5" |
| April | 56°F | 81°F | 67°F | 3.8" |
| May | 62°F | 86°F | 74°F | 4.2" |
| June | 70°F | 93°F | 80°F | 3.9" |
| July | 72°F | 94°F | 82°F | 4.1" |
| August | 72°F | 95°F | 82°F | 4.5" |
| September | 66°F | 91°F | 77°F | 3.2" |
| October | 54°F | 82°F | 66°F | 3.5" |
| November | 45°F | 72°F | 57°F | 4.5" |
| December | 41°F | 64°F | 51°F | 5.8" |
| Index | Deville | Louisiana | National |
| Air quality index | 30 | 106 | 42 |
| Pollution index | 860,756 | 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 | 0.001% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Center Point, LA | 1,274 | 30 | 40.0% |
| Deville, LA | 1,248 | 30 | 40.0% |
| City | Population | Air Quality Index | National Avg. |
| Wemotaci, QC | 1,248 | n/a | |
| Flippin, AR | 1,247 | 36 | 28.0% |
| St. Anne, IL | 1,249 | 55 | 10.0% |
| Farmland, IN | 1,247 | 35 | 30.0% |
| Buhler, KS | 1,247 | 40 | 20.0% |
| Deville, LA | 1,248 | 30 | 40.0% |
Here are the best places to live in Louisiana
10 Best cities in Louisiana for employment
Top 10 cities in Louisiana with the best education system
10 best cities to buy a new house in Louisiana