# Counties in Louisiana by average annual temperature, 2025

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

- Indicator id: `average_temperature_annual`
- Unit: °F
- Definition: Mean air temperature from January to December, in degrees Fahrenheit: the average of the 12 monthly mean temperatures. 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 average temperature, 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 average temperature, 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/average-annual-temperature/louisiana-counties

| Rank | Place | °F |
|---:|---|---:|
| 1 | Plaquemines Parish | 71.3 |
| 2 | Lafourche Parish | 71.2 |
| 3 | Jefferson Parish | 71.1 |
| 3 | Terrebonne Parish | 71.1 |
| 5 | St. Charles Parish | 70.9 |
| 6 | Orleans Parish | 70.6 |
| 6 | St. Bernard Parish | 70.6 |
| 8 | Cameron Parish | 70.5 |
| 9 | St. John the Baptist Parish | 70.4 |
| 9 | Vermilion Parish | 70.4 |
| 11 | St. James Parish | 70.3 |
| 12 | Assumption Parish | 70.2 |
| 13 | Ascension Parish | 70.1 |
| 13 | St. Mary Parish | 70.1 |
| 15 | Calcasieu Parish | 70 |
| 16 | Iberville Parish | 69.9 |
| 16 | Jefferson Davis Parish | 69.9 |
| 18 | Iberia Parish | 69.8 |
| 18 | West Baton Rouge Parish | 69.8 |
| 20 | East Baton Rouge Parish | 69.7 |
| 20 | Livingston Parish | 69.7 |
| 22 | St. Martin Parish | 69.6 |
| 23 | Acadia Parish | 69.5 |
| 23 | St. Tammany Parish | 69.5 |
| 25 | Allen Parish | 69.4 |
| 25 | Lafayette Parish | 69.4 |
| 27 | Beauregard Parish | 69.3 |
| 28 | Pointe Coupee Parish | 69.2 |
| 29 | Tangipahoa Parish | 69.1 |
| 30 | East Feliciana Parish | 68.8 |
| 30 | Evangeline Parish | 68.8 |
| 30 | St. Landry Parish | 68.8 |
| 30 | West Feliciana Parish | 68.8 |
| 34 | St. Helena Parish | 68.6 |
| 35 | Vernon Parish | 68.4 |
| 35 | Washington Parish | 68.4 |
| 37 | Rapides Parish | 68 |
| 38 | Avoyelles Parish | 67.9 |
| 39 | De Soto Parish | 67.8 |
| 39 | Sabine Parish | 67.8 |
| 41 | Caddo Parish | 67.7 |
| 41 | Natchitoches Parish | 67.7 |
| 43 | Red River Parish | 67.6 |
| 44 | Bossier Parish | 67.3 |
| 44 | Concordia Parish | 67.3 |
| 46 | Tensas Parish | 67.2 |
| 47 | Franklin Parish | 67.1 |
| 47 | Grant Parish | 67.1 |
| 49 | Catahoula Parish | 67 |
| 49 | Madison Parish | 67 |
| 51 | Bienville Parish | 66.9 |
| 51 | Winn Parish | 66.9 |
| 53 | LaSalle Parish | 66.8 |
| 53 | Richland Parish | 66.8 |
| 55 | Caldwell Parish | 66.7 |
| 55 | Webster Parish | 66.7 |
| 57 | Ouachita Parish | 66.6 |
| 58 | Jackson Parish | 66.5 |
| 59 | East Carroll Parish | 66.4 |
| 60 | West Carroll Parish | 66.3 |
| 61 | Lincoln Parish | 66.2 |
| 61 | Morehouse Parish | 66.2 |
| 63 | Union Parish | 66.1 |
| 64 | Claiborne Parish | 65.9 |