Mississippi Annual Rainfall and Climate Data, see below for individual cities 

 Mississippi Average Annual Precipitation

Mississippi city precipitation totals

City Avg Annual Precip Avg Annual Snow Avg. days of Precip Avg # thunderstorm days Avg # hail days Avg # severe thunderstorm watches per year Avg # tornado watches per year # of tornadoes reported in county, 1960-2010
Jackson 55.95 1.0 110 68 1 13 8 57
Meridian 58.65 1.2 106 59 1 14 8 36
Tupelo 55.86 2.8 109 58 1 10 8 19
  • Mississippi Annual Precipitation Average - 59.23 inches, 3rd wettest state in the U.S. 
  • Mississippi Tornado Average - 23.6 per year - 12th most in the U.S. 
  • Largest reported Tornado in Mississippi from 1950-2011, 4/24/2010 - 3,080 yards / 1.75 miles wide
  • Date with highest number of reported Tornadoes in Mississippi from 1950-2011, April 27th - 46 tornadoes
  • Average time of occurrence of reported Tornadoes in Mississippi from 1950-2011 - 1:26 pm
  • Mississippi Annual Lightning Density - 18.4 flashes per square mile - 3rd highest in U.S.
  • Record Driest year in Mississippi from 1895-2012 - 1954, avg precipitation 39.75 inches 
  • Record Wettest year in Mississippi from 1895-2012 - 1979, avg precipitation 75.97 inches   

Mississippi Precipitation Records

  • Driest location ranked by lowest annual average precipitation: Cleveland, northwest Mississippi, 50.97"
  • Wettest location ranked by highest annual average precipitation: Vancleave, southeast Mississippi, 72.10" 
  • Snowiest location ranked by highest annual average snowfall: Cleveland, northwest Mississippi, 4.9"
  • State precipitation record for 24 hours - Fort Ripley, central Minnesota, 7/21-22/1972, 10.84"
  • State precipitation record for 1 year - Waveland, southern Mississippi, 1991, 104.36"
  • State snowfall record for 24 hours - Mt. Pleasant, northern Mississippi, 12/23/1963, 18.0"
  • State snow record for 1 season - Senatobia, northern Mississippi, 1967-1968, 25.2"
  • 95% of Mississippi's weather reporting stations average over 50 inches of precipitation annually. Only Hawaii and Louisiana receive more precipitation than Mississippi
  • Measurable snow or sleet falls on some part of of Mississippi in 95 % of all years
  • During the year 2011, Mississippi experienced an all-time record 136 tornado reports, breaking the previous record during 2009 when only 109 were reported. 
  • The Gulf Coast of Mississippi suffered near total devastation from Hurricane Katrina on August 28-29, 2005 with hurricane winds, 28-foot storm surge and 55-foot sea waves pushing casino barges, boats and debris into towns, leaving an estimated $125 billion in damages

Data sources: National Climatic Data Center, severe thunderstorm / tornado watch data period is 1999 - 2008, NOAA Storm Prediction Center, Tornado climate data - NOAA Storm Prediction Center
State lightning flash density average - 1997-2011, Vaisala