California ranked second driest on record for October. Map of the Averate Annual Climate in Rainfall for the State of Louisiana, with the Mean Yearly Precipitation from 1961 through 1990 61.7 inches: How Many Rainy Days a year are there in Louisiana? Rainfall occurs throughout the year, with a predominantly wet season from April to September and the dry season from October to March. averages. 67.75 °F: How Many Inches of Rain per year does Louisiana get ? ; Below-average precipitation was observed across much of the western U.S., the Deep South, central and northern Plains as well as across portions of the Southeast. N/A: How Much Sunshine each year is there in Louisiana (in hours)? Maine: 41 inches (104 centimeters) 20. The October precipitation total for the contiguous U.S. was 2.16 inches, exactly average, ranking in the middle one-third of the 126-year period of record. The average growing season for northwest Louisiana ranges between 230 and 240 days in length. Links-The Links page is a page of useful and weather related … Louisiana Climate Plots- The Louisiana Climate Plots page provides plots for Louisiana Annual Precipitation, Growing Seasons, spring/Fall Freeze Dates, Max/Min Temperatures, and 30yr. 57.5 °F: What's the Average Temperature in Louisiana? What's The Average High Temp in Louisiana? Louisiana's average annual rainfall of 60.0 inches indicates that it is one of the wettest states in the United States. Rainfall is abundant with the normal annual rain just over 51 inches, with monthly averages ranging less than 3 inches in August to more than 5 inches in May and June. Some parts of a state will get more rain and/or snow than the average amount of precipitation listed. Louisiana Annual Precipitation Average - 60.09 inches, 2nd wettest state in the U.S. Louisiana Tornado Average - 24.6 per year - 11th most in the U.S. Largest reported Tornado in Louisiana from 1950-2011, 4/24/2010 - 3,080 yards / 1.75 miles wide; Average time of occurrence of reported Tornadoes in Louisiana from 1950-2011 - 1:23 pm 78 °F: What's the Average Low in Louisiana? The thin dotted line is the corresponding average liquid-equivalent snowfall. A review of Louisiana’s statewide-average rainfall dating back to the 1890s shows a number of interesting trends and patterns. The average rainfall in Louisiana ranges from 48" (1219.2mm) in the north to 75" (1905mm) in the south. July is the rainiest month in Louisiana with 10.7 days of rain, and April is the driest month with only 6.5 rainy days. Average Yearly Precipitation for States (rain & snow) The amounts listed below are averages for each state. The thin dotted line is the corresponding average liquid-equivalent snowfall. 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