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

 Indiana Average Annual Precipitation

Indiana city precipitation totals

City

Avg Annual Precip

Avg Annual Snowl

 Avg # days of Precip

Avg # snow days

Avg # thunderstorm days

Avg # hail days

 Avg # severe thunderstorm watches per year Avg # tornado watches per year # of tornadoes reported in county, 1960-2010
Evansville 44.27 14.1 115 58 43 1 8 11 15
Fort Wayne 36.55 33.0 132 70 39 1 4 14 22
Indianapolis 40.95 23.9 126 58 43 1 5 12 35
South Bend 39.70 69.9 144 82 39 1 4 12 21
  • Indiana Annual Precipitation Average - 41.72 inches, 26th wettest state in the U.S.
  • Indiana Tornado Average -  20.1 per year - 14th most in the U.S.
  • Largest reported Tornado in Indiana from 1950-2011, 4/3/1974 - 1,760 yards / 1 mile wide
  • Date with highest number of reported Tornadoes in Indiana from 1950-2011, April 19th - 51 tornadoes
  • Average time of occurrence of reported Tornadoes in Indiana from 1950-2011 - 4:42 pm
  • Indiana Annual Lightning Density - 14.1 flashes per square mile - 11th highest in U.S. 
  • Record Driest year Indiana from 1895-2012 - 1963, avg precipitation 29.32 inches 
  • Record Wettest year in Indiana from 1895-2012 - 2011, avg precipitation 54.98 inches  

Indiana Precipitation Records

  • Driest location ranked by lowest annual average precipitation: English, southern Indiana, 49.72"
  • Wettest location ranked by highest annual average precipitation: Monroeville, northeast Indiana, 33.74"
  • Snowiest location ranked by highest annual average snowfall: South Bend, northern Indiana, 76.6"
  • State precipitation maximum for 24 hours - Princeton, southwest Indiana, 8/6/1905, 10.50"
  • State precipitation maximum for 1 year - Marengo, southern Indiana, 1890, 97.38"
  • State snow maximum for 24 hours - Seymour, south-central Indiana, 12/22-23/2004, 29.0"
  • State snow maximum for 1 season - South Bend, northern Indiana, 1977-1978, 172.0"
  • On 01/19/1987, a storm moving toward the northeastern U.S. produced up to 14 inches of snow in northern Indiana. Peru, Indiana received a foot of snow.
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