| Month | High (°F) | Low (°F) | Precipitation (in) |
|---|---|---|---|
| January | 60.0 | 39.8 | 5.7 |
| February | 64.1 | 43.3 | 4.6 |
| March | 71.0 | 49.2 | 4.8 |
| April | 77.5 | 55.8 | 5.1 |
| May | 84.4 | 64.0 | 4.9 |
| June | 89.8 | 70.7 | 5.5 |
| July | 91.9 | 72.9 | 5.3 |
| August | 92.2 | 72.4 | 5.1 |
| September | 88.2 | 67.4 | 4.5 |
| October | 79.7 | 56.5 | 4.5 |
| November | 69.4 | 47.1 | 4.5 |
| December | 62.0 | 41.6 | 5.2 |
| Entire Year | 77.5 | 56.7 | 59.7 |
| City | Average (°F) | Record (°F) | Yearly (inches) | |||
|---|---|---|---|---|---|---|
| High | Low | High | Low | Precipitation | Snow | |
| Alexandria | 78.3 | 56.4 | 109 | 3 | 53.4 | n/a |
| Baton Rouge | 79.0 | 58.0 | 110 | 2 | 61.9 | n/a |
| Donaldsonville | 78.4 | 58.1 | 104 | 3 | 63.2 | 0.1 |
| Franklin | 77.3 | 59.6 | 104 | 8 | 64.1 | 0.0 |
| Homer | 74.8 | 51.9 | 109 | -1 | 54.6 | 0.6 |
| Jeanerette | 77.5 | 58.3 | 104 | 3 | 63.5 | 0.0 |
| Jennings | 77.4 | 58.5 | 107 | 9 | 63.2 | 0.1 |
| Lafayette | 78.8 | 59.7 | 107 | 6 | 62.5 | n/a |
| Lake Charles | 78.7 | 59.8 | 107 | 11 | 59.8 | n/a |
| Leesville | 78.0 | 54.6 | 109 | 1 | 59.2 | 0.2 |
| Minden | 76.3 | 53.5 | 112 | -16 | 56.2 | 0.5 |
| Monroe | 76.9 | 55.3 | 109 | -2 | 55.0 | n/a |
| Morgan City | 77.3 | 60.7 | 282 | 10 | 56.6 | 0.0 |
| Natchitoches | 77.5 | 56.0 | 110 | 3 | 56.7 | 0.4 |
| New Iberia | 79.0 | 59.4 | 103 | 6 | 57.7 | n/a |
| New Orleans | 78.8 | 61.7 | 102 | 6 | 63.3 | n/a |
| Shreveport | 77.3 | 56.0 | 109 | 1 | 51.4 | 0.8 |
| Slidell | 77.3 | 58.7 | 104 | 8 | 65.6 | 0.1 |
| Tallulah | 76.4 | 54.4 | 108 | -12 | 53.8 | n/a |
| Thibodaux | 79.0 | 59.8 | 102 | 9 | 71.3 | 0.0 |