Average Annual Precipitation for Louisiana
The tables below give yearly averages for rainfall plus snowfall at cities, communities and other locations around Louisiana.
Each place has a total for the amount of precipitation it usually receives in a year along with information on the number of days with wet weather. This includes the days when precipitation amounts to 0.01 inches (0.25 millimetres) or more.
The annual precipitation totals are averages based on weather data collected from 1991 to 2020 for the US National Centers for Environmental Information.
You can jump to a separate table for each region of the state: Gulf Coast, Florida Parishes, Central and North Louisiana.
Gulf Coast
| Days | Place | Inches | Millimetres |
|---|---|---|---|
| 120 | Boothville | 53.9 | 1369 |
| 110 | Crowley | 63.5 | 1614 |
| 115 | Houma | 65.4 | 1662 |
| 118 | Lafayette | 62.8 | 1595 |
| 108 | Lake Charles | 59.8 | 1518 |
| 113 | Morgan City | 58.5 | 1486 |
| 129 | New Iberia | 59.7 | 1516 |
| 115 | New Orleans | 63.4 | 1609 |
| 123 | Rockefeller Wildlife Refuge | 59.4 | 1508 |
Florida Parishes
| Days | Place | Inches | Millimetres |
|---|---|---|---|
| 114 | Baton Rouge | 61.9 | 1573 |
| 113 | Bogalusa | 63.9 | 1623 |
| 116 | Hammond | 64.2 | 1630 |
| 98 | New Roads | 58.5 | 1487 |
| 117 | Slidell | 66.2 | 1681 |
Central Louisiana
| Days | Place | Inches | Millimetres |
|---|---|---|---|
| 94 | Alexandria | 60.9 | 1547 |
| 125 | Leesville | 59.3 | 1506 |
| 99 | Natchitoches | 55.9 | 1421 |
| 97 | Opelousas | 64.8 | 1645 |
| 98 | Winnfield | 57.7 | 1465 |
North Louisiana
| Days | Place | Inches | Millimetres |
|---|---|---|---|
| 99 | Lake Providence | 58.8 | 1493 |
| 109 | Monroe | 56.5 | 1436 |
| 105 | Ruston | 55.6 | 1412 |
| 101 | Shreveport | 51.4 | 1306 |
Reference
NOAA National Centers for Environmental Information (NCEI). Climate Normals.