| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 41°F | 62°F | 50°F | 8.9" |
| February | 44°F | 65°F | 53°F | 6.4" |
| March | 51°F | 73°F | 61°F | 7.6" |
| April | 58°F | 79°F | 67°F | 9.2" |
| May | 64°F | 85°F | 74°F | 11.0" |
| June | 71°F | 91°F | 80°F | 11.0" |
| July | 73°F | 92°F | 81°F | 10.2" |
| August | 73°F | 93°F | 81°F | 12.5" |
| September | 68°F | 88°F | 77°F | 7.7" |
| October | 57°F | 81°F | 68°F | 13.5" |
| November | 49°F | 71°F | 59°F | 8.7" |
| December | 44°F | 63°F | 52°F | 9.7" |
| Index | Merryville | Louisiana | National |
| Air quality index | 45 | 106 | 42 |
| Pollution index | 1,206,820 | 2,526,475 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 239 |
| Days with moderate air quality | 126 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Rosepine, LA | 1,776 | 45 | 10.0% |
| Singer, LA | 306 | 45 | 10.0% |
| Newton, TX | 2,249 | 45 | 10.0% |
| DeRidder, LA | 10,955 | 45 | 10.0% |
| Merryville, LA | 1,214 | 45 | 10.0% |
| City | Population | Air Quality Index | National Avg. |
| Tok, AK | 1,214 | 38 | 24.0% |
| Glen Ellen, CA | 1,214 | 34 | 32.0% |
| Dunlap, IA | 1,214 | 40 | 20.0% |
| Bangor, WI | 1,214 | 35 | 30.0% |
| Saint James, NB | 1,214 | n/a | |
| Merryville, LA | 1,214 | 45 | 10.0% |
Here are the best places to live in Louisiana
See the best places to live in Merryville
These are the largest cities in Louisiana
Check out the 10 safest cities in Louisiana