Louisiana Climate Data
NOAA 30-year climate normals for all 64 counties.
NOAA NCEI 1991-2020 Climate NormalsState Avg Temp
67.3°F
Hottest County
Orleans Parish
71.3°F avg
Coldest County
Claiborne Parish
62.8°F avg
Wettest County
Lafourche Parish
68.9" precip
All Louisiana Counties
Acadia Parish
68.2°F avg
Allen Parish
66.7°F avg
Ascension Parish
69.0°F avg
Assumption Parish
68.2°F avg
Avoyelles Parish
67.3°F avg
Beauregard Parish
67.2°F avg
Bienville Parish
65.2°F avg
Bossier Parish
65.9°F avg
Caddo Parish
65.5°F avg
Calcasieu Parish
68.8°F avg
Caldwell Parish
65.5°F avg
Cameron Parish
69.4°F avg
Catahoula Parish
65.2°F avg
Claiborne Parish
62.8°F avg
Concordia Parish
68.5°F avg
De Soto Parish
65.5°F avg
East Baton Rouge Parish
67.9°F avg
East Carroll Parish
64.6°F avg
East Feliciana Parish
65.6°F avg
Evangeline Parish
68.5°F avg
Franklin Parish
66.0°F avg
Grant Parish
68.0°F avg
Iberia Parish
68.9°F avg
Iberville Parish
68.7°F avg
Jackson Parish
67.0°F avg
Jefferson Davis Parish
67.8°F avg
Jefferson Parish
69.7°F avg
Lafayette Parish
68.8°F avg
Lafourche Parish
69.8°F avg
LaSalle Parish
65.0°F avg
Lincoln Parish
64.8°F avg
Livingston Parish
69.1°F avg
Madison Parish
66.8°F avg
Morehouse Parish
63.3°F avg
Natchitoches Parish
66.4°F avg
Orleans Parish
71.3°F avg
Ouachita Parish
64.9°F avg
Plaquemines Parish
69.7°F avg
Pointe Coupee Parish
68.8°F avg
Rapides Parish
66.4°F avg
Red River Parish
67.5°F avg
Richland Parish
66.6°F avg
Sabine Parish
65.9°F avg
St. Bernard Parish
68.6°F avg
St. Charles Parish
69.9°F avg
St. Helena Parish
68.1°F avg
St. James Parish
69.5°F avg
St. John the Baptist Parish
69.1°F avg
St. Landry Parish
68.0°F avg
St. Martin Parish
67.8°F avg
St. Mary Parish
69.6°F avg
St. Tammany Parish
67.4°F avg
Tangipahoa Parish
66.8°F avg
Tensas Parish
65.5°F avg
Terrebonne Parish
69.6°F avg
Union Parish
64.2°F avg
Vermilion Parish
67.2°F avg
Vernon Parish
66.7°F avg
Washington Parish
67.3°F avg
Webster Parish
65.3°F avg
West Baton Rouge Parish
67.3°F avg
West Carroll Parish
66.3°F avg
West Feliciana Parish
68.9°F avg
Winn Parish
65.3°F avg
Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.