Average Annual Precipitation for Louisiana

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The tables below give yearly averages for rainfall plus snowfall at cities, towns and parks in 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 1981 to 2010 for the NOAA National Climatic Data Center.

You can jump to a separate table for each region of the state: Gulf Coast, Florida Parishes, Central and North Louisiana.

Gulf Coast

Average yearly precipitation
Days Place Inches Millimetres
121 Boothville 59.4 1508
108 Crowley 61.1 1551
115 Houma 62.3 1581
115 Lafayette 60.5 1537
109 Lake Charles 57.5 1460
115 Morgan City 60.3 1531
112 New Iberia 60.4 1534
115 New Orleans 62.7 1592
118 Rockefeller Wildlife Refuge 59.5 1512

Florida Parishes

Annual averages for rainfall plus snowfall
Days Place Inches Millimetres
113 Baton Rouge 60.7 1541
113 Bogalusa 62.5 1588
116 Hammond 62.6 1591
  96 New Roads 58.8 1493
114 Slidell 62.9 1597

Central Louisiana

Average amount of rain and snow a year
Days Place Inches Millimetres
  98 Alexandria 60.9 1546
116 Leesville 57.7 1465
100 Natchitoches 55.5 1410
  99 Winnfield 57.1 1451

North Louisiana

Average annual precipitation
Days Place Inches Millimetres
100 Lake Providence 57.3 1456
112 Monroe 56.7 1441
108 Ruston 54.8 1392
101 Shreveport 51.4 1306
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

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