Frost dates · Indiana
Indiana frost dates,
county by county.
Last spring frost and first fall frost probability data for all 92 counties in Indiana, computed from the NOAA 1991–2020 Climate Normals. Every county page surfaces the full probability table at three temperature thresholds plus crop-specific planting guidance.
Variation across Indiana
35 days separate the earliest and latest counties.
The median last spring frost in Vanderburgh County is March 18 — 35 days earlier than DeKalb County at April 22. Statewide averages aren't useful planting tools; pick your county below for the data that actually applies to your fields.
By frost timing
Counties sorted by last spring frost.
Latest at top, earliest at bottom. In most states this matches the north-to-south gradient.
- DeKalb CountySpring Apr 22·Fall Oct 22183-day season
- Huntington CountySpring Apr 20·Fall Oct 24187-day season
- Steuben CountySpring Apr 19·Fall Oct 29193-day season
- Parke CountySpring Apr 18·Fall Oct 22187-day season
- Vermillion CountySpring Apr 18·Fall Oct 22187-day season
- Dearborn CountySpring Apr 17·Fall Oct 26192-day season
- Ripley CountySpring Apr 17·Fall Oct 26192-day season
- Elkhart CountySpring Apr 16·Fall Nov 1199-day season
- Kosciusko CountySpring Apr 16·Fall Oct 30197-day season
- LaGrange CountySpring Apr 16·Fall Nov 1199-day season
- Lake CountySpring Apr 16·Fall Oct 26193-day season
- Whitley CountySpring Apr 16·Fall Oct 29196-day season
- Benton CountySpring Apr 15·Fall Oct 22190-day season
- Henry CountySpring Apr 15·Fall Oct 27195-day season
- Howard CountySpring Apr 15·Fall Oct 29197-day season
- Jay CountySpring Apr 15·Fall Oct 28196-day season
- Putnam CountySpring Apr 15·Fall Oct 26194-day season
- Starke CountySpring Apr 15·Fall Oct 30198-day season
- Grant CountySpring Apr 14·Fall Nov 1201-day season
- Marshall CountySpring Apr 14·Fall Nov 1201-day season
- Montgomery CountySpring Apr 14·Fall Oct 23192-day season
- Pulaski CountySpring Apr 14·Fall Oct 29198-day season
- Adams CountySpring Apr 13·Fall Nov 2203-day season
- Tippecanoe CountySpring Apr 13·Fall Oct 28198-day season
- Allen CountySpring Apr 12·Fall Nov 1203-day season
- Miami CountySpring Apr 12·Fall Nov 1203-day season
- Morgan CountySpring Apr 12·Fall Oct 26197-day season
- Noble CountySpring Apr 12·Fall Nov 4206-day season
- St. Joseph CountySpring Apr 12·Fall Nov 3205-day season
- Wabash CountySpring Apr 12·Fall Nov 1203-day season
- Wells CountySpring Apr 12·Fall Nov 1203-day season
- White CountySpring Apr 12·Fall Oct 28199-day season
- Fountain CountySpring Apr 11·Fall Oct 28200-day season
- Jasper CountySpring Apr 11·Fall Oct 29201-day season
- Newton CountySpring Apr 11·Fall Oct 29201-day season
- Tipton CountySpring Apr 11·Fall Oct 28200-day season
- Warren CountySpring Apr 11·Fall Oct 28200-day season
- Blackford CountySpring Apr 10·Fall Nov 1205-day season
- Fulton CountySpring Apr 10·Fall Nov 1205-day season
- Wayne CountySpring Apr 10·Fall Oct 30203-day season
- Boone CountySpring Apr 9·Fall Oct 31205-day season
- Hendricks CountySpring Apr 9·Fall Nov 1206-day season
- Porter CountySpring Apr 9·Fall Nov 5210-day season
- Randolph CountySpring Apr 9·Fall Nov 1206-day season
- Carroll CountySpring Apr 8·Fall Oct 30205-day season
- Cass CountySpring Apr 8·Fall Nov 3209-day season
- Hamilton CountySpring Apr 8·Fall Nov 1207-day season
- Jennings CountySpring Apr 8·Fall Oct 31206-day season
- Johnson CountySpring Apr 8·Fall Oct 29204-day season
- Orange CountySpring Apr 8·Fall Oct 29204-day season
- Clinton CountySpring Apr 7·Fall Nov 1208-day season
- Hancock CountySpring Apr 7·Fall Nov 1208-day season
- LaPorte CountySpring Apr 7·Fall Nov 7214-day season
- Lawrence CountySpring Apr 7·Fall Oct 30206-day season
- Marion CountySpring Apr 7·Fall Nov 1208-day season
- Owen CountySpring Apr 7·Fall Oct 31207-day season
- Pike CountySpring Apr 7·Fall Nov 1208-day season
- Fayette CountySpring Apr 6·Fall Nov 1209-day season
- Franklin CountySpring Apr 6·Fall Oct 31208-day season
- Harrison CountySpring Apr 6·Fall Nov 2210-day season
- Rush CountySpring Apr 6·Fall Nov 1209-day season
- Union CountySpring Apr 6·Fall Oct 31208-day season
- Madison CountySpring Apr 5·Fall Nov 3212-day season
- Scott CountySpring Apr 5·Fall Nov 1210-day season
- Shelby CountySpring Apr 5·Fall Nov 1210-day season
- Ohio CountySpring Apr 4·Fall Nov 7217-day season
- Switzerland CountySpring Apr 4·Fall Nov 7217-day season
- Washington CountySpring Apr 4·Fall Nov 1211-day season
- Crawford CountySpring Apr 3·Fall Oct 31211-day season
- Delaware CountySpring Apr 3·Fall Nov 5216-day season
- Brown CountySpring Apr 2·Fall Nov 4216-day season
- Clay CountySpring Apr 2·Fall Nov 4216-day season
- Decatur CountySpring Apr 2·Fall Nov 5217-day season
- Gibson CountySpring Apr 2·Fall Nov 3215-day season
- Jackson CountySpring Apr 2·Fall Nov 1213-day season
- Martin CountySpring Apr 2·Fall Nov 2214-day season
- Monroe CountySpring Apr 2·Fall Nov 4216-day season
- Bartholomew CountySpring Apr 1·Fall Nov 5218-day season
- Knox CountySpring Apr 1·Fall Nov 4217-day season
- Sullivan CountySpring Apr 1·Fall Nov 3216-day season
- Vigo CountySpring Apr 1·Fall Oct 30212-day season
- Greene CountySpring Mar 31·Fall Nov 4218-day season
- Jefferson CountySpring Mar 31·Fall Nov 10224-day season
- Perry CountySpring Mar 31·Fall Nov 4218-day season
- Daviess CountySpring Mar 30·Fall Nov 4219-day season
- Dubois CountySpring Mar 30·Fall Nov 11226-day season
- Posey CountySpring Mar 30·Fall Nov 7222-day season
- Warrick CountySpring Mar 30·Fall Nov 3218-day season
- Spencer CountySpring Mar 24·Fall Nov 13234-day season
- Clark CountySpring Mar 18·Fall Nov 20247-day season
- Floyd CountySpring Mar 18·Fall Nov 20247-day season
- Vanderburgh CountySpring Mar 18·Fall Nov 20247-day season
Alphabetical
All Indiana counties — A to Z.
- Adams County
- Allen County
- Bartholomew County
- Benton County
- Blackford County
- Boone County
- Brown County
- Carroll County
- Cass County
- Clark County
- Clay County
- Clinton County
- Crawford County
- Daviess County
- Dearborn County
- Decatur County
- DeKalb County
- Delaware County
- Dubois County
- Elkhart County
- Fayette County
- Floyd County
- Fountain County
- Franklin County
- Fulton County
- Gibson County
- Grant County
- Greene County
- Hamilton County
- Hancock County
- Harrison County
- Hendricks County
- Henry County
- Howard County
- Huntington County
- Jackson County
- Jasper County
- Jay County
- Jefferson County
- Jennings County
- Johnson County
- Knox County
- Kosciusko County
- LaGrange County
- Lake County
- LaPorte County
- Lawrence County
- Madison County
- Marion County
- Marshall County
- Martin County
- Miami County
- Monroe County
- Montgomery County
- Morgan County
- Newton County
- Noble County
- Ohio County
- Orange County
- Owen County
- Parke County
- Perry County
- Pike County
- Porter County
- Posey County
- Pulaski County
- Putnam County
- Randolph County
- Ripley County
- Rush County
- Scott County
- Shelby County
- Spencer County
- St. Joseph County
- Starke County
- Steuben County
- Sullivan County
- Switzerland County
- Tippecanoe County
- Tipton County
- Union County
- Vanderburgh County
- Vermillion County
- Vigo County
- Wabash County
- Warren County
- Warrick County
- Washington County
- Wayne County
- Wells County
- White County
- Whitley County