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

Average yearly precipitation
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

Annual averages for rainfall plus snowfall
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

Average amount of rain and snow a year
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

Average annual precipitation
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.

Louisiana Precipitation
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