# Counties in Louisiana by annual precipitation, 2025

All 64 values come from NOAA National Centers for Environmental Information for 2025, so the places are comparable.

- Indicator id: `precipitation_annual`
- Unit: inches
- Definition: Total precipitation from January to December, in inches: rain plus the water content of snow and other frozen precipitation. NOAA computes it from its climate divisional dataset (nClimDiv): station readings interpolated onto a 5 km grid and averaged over the area.
- Source: NOAA National Centers for Environmental Information, NOAA Climate at a Glance, January to December precipitation, counties (https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping)
- Publisher page: https://invokely.ai/en/publishers/noaa-ncei
- Retrieved: 2026-10-12
- Citation: NOAA National Centers for Environmental Information, Climate at a Glance. NOAA Climate at a Glance, January to December precipitation, counties. From the NOAA Monthly U.S. Climate Divisional Database (nClimDiv), doi:10.7289/V5M32STR. https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/annual-precipitation/louisiana-counties

| Rank | Place | inches |
|---:|---|---:|
| 1 | Lafayette Parish | 61.68 |
| 2 | St. Landry Parish | 60.89 |
| 3 | Acadia Parish | 59.88 |
| 4 | Iberville Parish | 59.41 |
| 5 | St. Martin Parish | 59.11 |
| 6 | West Baton Rouge Parish | 58.66 |
| 7 | Pointe Coupee Parish | 58.17 |
| 8 | East Baton Rouge Parish | 57.57 |
| 9 | West Carroll Parish | 57.21 |
| 10 | West Feliciana Parish | 57.17 |
| 11 | East Feliciana Parish | 56.83 |
| 12 | Sabine Parish | 56.58 |
| 13 | Jefferson Davis Parish | 56.41 |
| 14 | Iberia Parish | 56.39 |
| 15 | East Carroll Parish | 56.11 |
| 16 | Ascension Parish | 55.73 |
| 17 | Vermilion Parish | 55.6 |
| 18 | Evangeline Parish | 55.28 |
| 19 | Jefferson Parish | 54.78 |
| 20 | St. Charles Parish | 54.76 |
| 21 | Claiborne Parish | 54.68 |
| 21 | Morehouse Parish | 54.68 |
| 23 | St. Mary Parish | 54.58 |
| 24 | St. Bernard Parish | 54.07 |
| 25 | Orleans Parish | 53.81 |
| 26 | Avoyelles Parish | 53.76 |
| 27 | Lincoln Parish | 53.47 |
| 28 | Rapides Parish | 53.46 |
| 29 | Union Parish | 53.41 |
| 30 | Allen Parish | 53.09 |
| 31 | Caldwell Parish | 52.99 |
| 32 | Cameron Parish | 52.95 |
| 33 | Plaquemines Parish | 52.92 |
| 34 | St. James Parish | 52.81 |
| 35 | LaSalle Parish | 52.71 |
| 36 | Ouachita Parish | 52.69 |
| 37 | St. John the Baptist Parish | 52.62 |
| 38 | St. Helena Parish | 52.3 |
| 39 | Assumption Parish | 52.24 |
| 40 | Calcasieu Parish | 52.22 |
| 41 | Concordia Parish | 52.21 |
| 41 | Vernon Parish | 52.21 |
| 43 | Natchitoches Parish | 52.15 |
| 44 | Richland Parish | 51.98 |
| 45 | Livingston Parish | 51.84 |
| 46 | Beauregard Parish | 51.8 |
| 47 | Jackson Parish | 51.69 |
| 48 | Grant Parish | 51.64 |
| 49 | Catahoula Parish | 51.46 |
| 50 | Madison Parish | 51.3 |
| 51 | De Soto Parish | 51.29 |
| 52 | Lafourche Parish | 51.25 |
| 53 | Winn Parish | 51.05 |
| 54 | Webster Parish | 50.58 |
| 55 | Red River Parish | 49.82 |
| 56 | Caddo Parish | 49.72 |
| 57 | Bienville Parish | 49.53 |
| 58 | Franklin Parish | 49.47 |
| 59 | Tensas Parish | 49.38 |
| 60 | St. Tammany Parish | 48.34 |
| 61 | Bossier Parish | 48.15 |
| 62 | Washington Parish | 47.96 |
| 63 | Tangipahoa Parish | 47.54 |
| 64 | Terrebonne Parish | 47.28 |