Frost dates
Frost dates in Indiana
Typical last spring frost and first fall frost for 117 weather stations across Indiana, from NOAA’s 1991–2020 climate normals.
Last spring frost
Apr 9 – Apr 28
Typical across Indiana (middle: Apr 21)
First fall frost
Oct 15 – Oct 29
Typical across Indiana (middle: Oct 21)
Your own yard can differ by weeks from the nearest town. Get frost dates for your exact spot →
By town
| Station | Last spring frost | First fall frost | Frost-free days |
|---|---|---|---|
| Anderson Sewage Plt | Apr 19 | Oct 23 | 187 |
| Angola | Apr 30 | Oct 16 | 169 |
| Attica 2 E | Apr 22 | Oct 17 | 178 |
| Bedford 5 WNW | Apr 10 | Oct 30 | 203 |
| Berne Water Plant | Apr 23 | Oct 22 | 182 |
| Bloomington Indiana Univ | Apr 15 | Oct 26 | 194 |
| Bloomington Monroe County Airport | Apr 17 | Oct 22 | 188 |
| Bluffton 6 N | Apr 24 | Oct 20 | 179 |
| Boonville 1 S | Apr 12 | Oct 25 | 196 |
| Boswell 4 WNW | Apr 25 | Oct 13 | 171 |
| Brookville | Apr 20 | Oct 21 | 184 |
| Cambridge City 3 N | Apr 27 | Oct 9 | 165 |
| Cannelton | Apr 2 | Nov 7 | 219 |
| Carmel 3 E | Apr 21 | Oct 21 | 183 |
| Castleton 2 S | Apr 18 | Oct 26 | 191 |
| Chalmers 5 W | Apr 25 | Oct 17 | 175 |
| Columbia City | Apr 27 | Oct 17 | 173 |
| Columbus | Apr 11 | Oct 25 | 197 |
| Crane Nsa | Apr 9 | Oct 31 | 205 |
| Crawfordsville 6 SE | Apr 27 | Oct 12 | 168 |
| Decatur 1 N | Apr 23 | Oct 19 | 179 |
| Delphi 2 N | Apr 22 | Oct 17 | 178 |
| Dubois S In Forage Fm | Apr 25 | Oct 15 | 173 |
| Elnora | Apr 9 | Oct 25 | 199 |
| Elwood | Apr 24 | Oct 18 | 177 |
| English | Apr 17 | Oct 19 | 185 |
| Evansville Museum | Mar 29 | Nov 10 | 226 |
| Evansville Regional Airport | Apr 4 | Oct 29 | 208 |
| Farmersburg Tv-2 | Apr 8 | Oct 27 | 202 |
| Farmland 5 NNW | Apr 25 | Oct 16 | 174 |
| Fort Wayne International Airport | Apr 24 | Oct 21 | 180 |
| Francesville | Apr 26 | Oct 17 | 174 |
| Frankfort Disposal | Apr 21 | Oct 21 | 183 |
| Franklin Water Plant | Apr 20 | Oct 19 | 182 |
| Freelandville | Apr 9 | Oct 30 | 204 |
| Garrett | Apr 29 | Oct 17 | 171 |
| Garrett 1 S | May 2 | Oct 10 | 161 |
| Goshen 3 SW | Apr 26 | Oct 21 | 178 |
| Goshen Municipal Airport | Apr 28 | Oct 19 | 174 |
| Greencastle 1 W | Apr 27 | Oct 15 | 171 |
| Greenfield | Apr 19 | Oct 22 | 186 |
| Greensburg | Apr 15 | Oct 26 | 194 |
| Hartford City 4 ESE | Apr 22 | Oct 22 | 183 |
| Huntington | May 1 | Oct 14 | 166 |
| Indiana Dunes Nl | Apr 22 | Oct 27 | 188 |
| Indianapolis | Apr 15 | Oct 26 | 194 |
| Indianapolis Eagle Creek Airport | Apr 12 | Oct 29 | 200 |
| Indianapolis Nwfo | Apr 12 | Oct 27 | 198 |
| Indianapolis SE Side | Apr 20 | Oct 21 | 184 |
| Jamestown 2 E | Apr 23 | Oct 19 | 179 |
| Jt Myers Locks & Dam | Apr 5 | Oct 31 | 209 |
| Kentland | Apr 23 | Oct 14 | 174 |
| Knox Water Plant | Apr 26 | Oct 19 | 176 |
| Kokomo 3 WSW | Apr 27 | Oct 18 | 174 |
| Lafayette 8 S | Apr 20 | Oct 20 | 183 |
| Lafayette Purdue Univ Airport | Apr 26 | Oct 18 | 175 |
| Lagrange | Apr 26 | Oct 21 | 178 |
| Lakeville | May 1 | Oct 13 | 165 |
| Laporte | Apr 19 | Oct 27 | 191 |
| Logansport Cicott St | Apr 20 | Oct 23 | 186 |
| Lowell | Apr 29 | Oct 16 | 170 |
| Madison Sewage Plt | Apr 11 | Oct 31 | 203 |
| Marion 2 N | Apr 26 | Oct 20 | 177 |
| Martinsville 2 SW | Apr 24 | Oct 15 | 174 |
| Milan 5 NE | Apr 30 | Oct 16 | 169 |
| Mount Vernon | Apr 7 | Oct 28 | 204 |
| Muncie Delaware County Airport | Apr 16 | Oct 25 | 192 |
| N Manchester Water Plant | Apr 26 | Oct 19 | 176 |
| N Vernon 2 ESE | Apr 21 | Oct 21 | 183 |
| New Castle 3 SW | Apr 27 | Oct 17 | 173 |
| Newburgh L&D | Apr 3 | Nov 2 | 213 |
| Northern Indiana | Apr 24 | Oct 24 | 183 |
| Oolitic Purdue Ex Fm | Apr 20 | Oct 20 | 183 |
| Paoli | Apr 21 | Oct 18 | 180 |
| Patoka Lake | Apr 10 | Nov 1 | 205 |
| Perrysville 4 WNW | Apr 23 | Oct 14 | 174 |
| Petersburg 61 Brg | Apr 20 | Oct 22 | 185 |
| Plymouth | Apr 25 | Oct 21 | 179 |
| Portland 1 SW | Apr 28 | Oct 15 | 170 |
| Princeton 1 W | Apr 13 | Oct 25 | 195 |
| Rensselaer | Apr 23 | Oct 18 | 178 |
| Richmond Wtr Wks | Apr 24 | Oct 20 | 179 |
| Rochester | Apr 23 | Oct 21 | 181 |
| Rockville | Apr 30 | Oct 12 | 165 |
| Rushville | Apr 19 | Oct 23 | 187 |
| S Bend | Apr 23 | Oct 23 | 183 |
| Saint Meinrad | Apr 11 | Oct 26 | 198 |
| Salem | Apr 17 | Oct 22 | 188 |
| Scottsburg | Apr 18 | Oct 20 | 185 |
| Seymour 2 N | Apr 16 | Oct 21 | 188 |
| Shakamak Sp | Apr 14 | Oct 26 | 195 |
| Shelbyville Municipal Airport | Apr 14 | Oct 23 | 192 |
| Shelbyville Sewage Plt | Apr 17 | Oct 22 | 188 |
| Shoals 8 S | Apr 15 | Oct 23 | 191 |
| South Bend Michiana Regional Airport | May 1 | Oct 19 | 171 |
| Spencer | Apr 20 | Oct 20 | 183 |
| Stendal | Apr 6 | Oct 30 | 207 |
| Tell City | Apr 5 | Nov 1 | 210 |
| Terre Haute Caa Airport | Apr 14 | Oct 24 | 193 |
| Terre Haute Hulman Regional Airport | Apr 16 | Oct 18 | 185 |
| Terre Haute Indiana State | Apr 15 | Oct 19 | 187 |
| Tipton 5 SW | Apr 23 | Oct 17 | 177 |
| Valparaiso Porter County Municipal Airport | Apr 20 | Oct 26 | 189 |
| Valparaiso Wtr Wks | Apr 22 | Oct 25 | 186 |
| Vevay | Apr 9 | Nov 1 | 206 |
| Vincennes 5 NE | Apr 11 | Oct 26 | 198 |
| W Lafayette 6 NW | Apr 26 | Oct 12 | 169 |
| Wabash | Apr 23 | Oct 21 | 181 |
| Wanatah 2 WNW | Apr 29 | Oct 13 | 167 |
| Warsaw | Apr 28 | Oct 18 | 173 |
| Washington 1 W | Apr 10 | Oct 25 | 198 |
| Wheatfield | Apr 25 | Oct 17 | 175 |
| Whitestown | Apr 21 | Oct 20 | 182 |
| Winamac 2 SSE | Apr 25 | Oct 18 | 176 |
| Winchester Airport 3 E | Apr 20 | Oct 21 | 184 |
| Woodburn 3 N | Apr 27 | Oct 19 | 175 |
| Young America | Apr 25 | Oct 17 | 175 |
Each date is the median: in half of years the frost comes earlier, in half later. Frost here means a low of 32°F or colder at the station. Low spots and valleys often frost a week or two earlier than these dates; hillsides and city centers later.
Source: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020. The Field almanac also shows how often frost comes early or late, and a reanalysis reading for your exact location.