Kentucky frost dates: Last spring and first autumn frost at every NOAA station, 1991-2020
Across Kentucky's 96 NOAA stations with frost dates, the median last spring frost (32°F) runs from March 27 in Eddyville to May 2 in Grayson (3 mi SW); for half of its places it comes after April 15.
- Typical last spring frost
- April 15median of 68 places
- Typical first autumn frost
- October 25median of 68 places
- Earliest last frost
- March 27Eddyville
- Latest last frost
- May 2Grayson (3 mi SW)
When is the last frost in Kentucky, town by town?
Each date is NOAA's: "after April 15 in half of years" means the last 32°F night of spring came after April 15 in half of the years 1991-2020. By the 1-in-10 date, the last frost has passed in nine years out of ten.
Find your town in the list, or look up a ZIP code for the stations nearest it.
| Place or station | Last frost (median) | 1 in 10 after | First frost (median) | 1 in 10 before | Growing season | Zone |
|---|---|---|---|---|---|---|
| Eddyville5 mi S | March 27 | April 12 | November 8 | October 27 | 225 days | 7b |
| Kenlake Resort | March 30 | April 16 | November 4 | October 23 | 221 days | – |
| LouisvilleLouisville International Airport | March 31 | April 16 | November 7 | October 28 | 222 days | 7a |
| Louisville McAlpine | March 31 | April 14 | November 9 | October 31 | 225 days | – |
| CalhounCalhoun Lock 2 | April 2 | April 20 | November 1 | October 19 | 211 days | – |
| Madisonville | April 2 | April 18 | November 1 | October 19 | 212 days | 7a |
| Elkton | April 3 | April 21 | October 29 | October 17 | 207 days | – |
| Louisville Bowman Field | April 3 | April 19 | November 3 | October 21 | 214 days | 7b |
| West Paducah (2 mi W) | April 3 | April 20 | October 27 | October 15 | 205 days | 7a |
| Bowling Green (21 mi NNE) | April 4 | April 24 | October 31 | October 18 | 209 days | 7a |
| Henderson (8 mi SSW) | April 4 | April 19 | October 29 | October 17 | 207 days | 7a |
| Hopkinsville | April 4 | April 19 | November 2 | October 20 | 211 days | – |
| BereaBerea College | April 5 | April 23 | November 2 | October 19 | 213 days | – |
| Bowling GreenBowling Green Warren County Airport | April 5 | April 21 | October 31 | October 20 | 208 days | 7b |
| Knob Lick (4 mi S) | April 5 | April 24 | November 2 | October 21 | 211 days | – |
| Murray | April 5 | April 20 | November 1 | October 20 | 209 days | 7b |
| PaducahPaducah Barkley Regional Airport | April 5 | April 21 | October 28 | October 15 | 206 days | 7a |
| Somerset2 mi N | April 5 | April 25 | October 30 | October 17 | 206 days | – |
| Bardwell2 mi E | April 6 | April 22 | October 30 | October 18 | 204 days | – |
| JacksonJackson Julian Carroll Airport | April 6 | April 25 | November 1 | October 18 | 208 days | 7a |
| Louisville Weather Office | April 6 | April 23 | November 1 | October 21 | 209 days | – |
| Dix Dam | April 7 | April 24 | November 1 | October 20 | 206 days | 7a |
| Providence | April 7 | April 24 | October 28 | October 15 | 203 days | – |
| Benton | April 9 | April 28 | October 19 | October 6 | 192 days | – |
| Danville | April 9 | April 29 | October 27 | October 16 | 199 days | – |
| Glasgow | April 9 | April 28 | October 27 | October 14 | 201 days | 7a |
| HendersonHenderson State Police | April 9 | April 24 | October 26 | October 12 | 198 days | – |
| Mammoth Cave | April 9 | April 29 | October 30 | October 17 | 204 days | 7a |
| Russellville | April 9 | April 30 | October 28 | October 14 | 200 days | 7b |
| Beaver Dam | April 10 | April 29 | October 22 | October 8 | 192 days | – |
| Gimlet (9 mi N) | April 10 | May 2 | October 31 | October 17 | 201 days | – |
| AugustaAugusta 2 | April 11 | May 2 | October 30 | October 16 | 200 days | – |
| McDaniels | April 11 | April 28 | October 26 | October 13 | 196 days | – |
| Princeton1 mi SE | April 11 | April 30 | October 24 | October 12 | 196 days | 7a |
| Williamstown | April 11 | April 30 | October 29 | October 14 | 199 days | – |
| Barren River Lake | April 12 | April 30 | October 29 | October 16 | 198 days | 7a |
| Beattyville4 mi N | April 12 | May 6 | October 25 | October 13 | 192 days | – |
| Crestwood4 mi NE | April 12 | May 1 | October 25 | October 11 | 193 days | – |
| Flemingsburg2 mi N | April 12 | May 2 | October 30 | October 17 | 200 days | – |
| Versailles3 mi NNW | April 12 | May 2 | October 28 | October 15 | 198 days | 7a |
| Bardstown5 mi E | April 13 | May 3 | October 25 | October 13 | 195 days | 7a |
| LexingtonLexington Bluegrass Airport | April 13 | May 1 | October 28 | October 16 | 196 days | 7a |
| Baxter | April 15 | May 1 | October 30 | October 17 | 197 days | 7a |
| FrankfortFrankfort Capital City Airport | April 15 | May 5 | October 24 | October 13 | 192 days | 7a |
| Greensburg | April 15 | May 2 | October 24 | October 11 | 192 days | 7a |
| LondonLondon Corbin Airport | April 15 | May 3 | October 25 | October 13 | 192 days | 7a |
| RichmondEastern Kentucky University | April 15 | April 30 | October 22 | October 10 | 190 days | – |
| RochesterRochester Ferry | April 15 | May 3 | October 20 | October 9 | 187 days | – |
| Scottsville | April 15 | May 2 | October 25 | October 11 | 194 days | 7a |
| ElizabethtownElizabethtown Wp Cs | April 16 | May 4 | October 25 | October 13 | 191 days | 7a |
| HodgenvilleHodgenville Lincoln P | April 16 | May 3 | October 25 | October 11 | 191 days | – |
| Oneida | April 16 | May 3 | October 26 | October 14 | 192 days | – |
| Cave Run Lake | April 17 | May 6 | October 25 | October 13 | 189 days | 6b |
| Heidelberg | April 17 | May 5 | October 22 | October 10 | 189 days | – |
| Rough River Lake | April 17 | May 5 | October 23 | October 8 | 187 days | 6b |
| WarsawWarsaw Markland Dam | April 17 | May 4 | October 29 | October 15 | 194 days | – |
| Bernheim Forest | April 18 | May 6 | October 25 | October 11 | 189 days | – |
| Crab Orchard6 mi N | April 18 | May 9 | October 24 | October 9 | 188 days | 7a |
| Cynthiana | April 18 | May 5 | October 23 | October 13 | 188 days | 6b |
| JamestownJamestown Wastewater Treatment Plant | April 18 | May 3 | October 24 | October 11 | 189 days | – |
| MaysvilleMaysville Wastewater Treatment Plant | April 18 | May 4 | October 30 | October 17 | 195 days | – |
| Monticello3 mi NE | April 18 | May 5 | October 26 | October 14 | 190 days | 7a |
| Mount Vernon | April 18 | May 6 | October 24 | October 13 | 189 days | 7a |
| Skyline (1 mi SE) | April 18 | May 2 | October 28 | October 17 | 191 days | 7b |
| Barbourville | April 19 | May 6 | October 24 | October 11 | 187 days | – |
| Brandenburg | April 19 | May 2 | October 24 | October 9 | 186 days | 7a |
| BuckhornBuckhorn Lake | April 19 | May 2 | October 25 | October 12 | 188 days | 7a |
| Paintsville1 mi E | April 19 | May 6 | October 25 | October 11 | 188 days | 7a |
| Quicksand | April 19 | May 5 | October 24 | October 11 | 187 days | – |
| Stanton2 mi W | April 19 | May 5 | October 20 | October 10 | 184 days | – |
| Cressy | April 20 | May 8 | October 19 | October 8 | 182 days | – |
| Inez2 mi E | April 20 | May 9 | October 24 | October 10 | 186 days | – |
| Warnock 2 | April 20 | May 10 | October 22 | October 10 | 182 days | 6b |
| Millerstown (4 mi E) | April 21 | May 6 | October 18 | October 6 | 178 days | – |
| Whitesburg2 mi SE | April 21 | May 6 | October 22 | October 9 | 183 days | – |
| Williamsburg | April 21 | May 5 | October 22 | October 9 | 182 days | – |
| Ashland | April 22 | May 11 | October 23 | October 11 | 181 days | – |
| Bradfordsville | April 22 | May 9 | October 20 | October 7 | 180 days | 6b |
| Nolin River Lake | April 22 | May 11 | October 22 | October 9 | 182 days | 7a |
| Glencoe6 mi NW | April 23 | May 9 | October 21 | October 7 | 179 days | – |
| Prestonsburg3 mi WSW | April 23 | May 10 | October 23 | October 8 | 183 days | – |
| TaylorsvilleTaylorsville Lake | April 23 | May 7 | October 16 | October 4 | 176 days | 7a |
| Booneville (12 mi SW) | April 24 | May 12 | October 19 | October 7 | 178 days | – |
| Charley (2 mi SW) | April 24 | May 12 | October 17 | October 6 | 174 days | – |
| Mount Sterling | April 24 | May 12 | October 18 | October 6 | 175 days | 6b |
| Olive Hill5 mi NE | April 24 | May 12 | October 18 | October 6 | 174 days | – |
| Stearns2 mi S | April 24 | May 11 | October 18 | October 4 | 177 days | – |
| Corners | April 25 | May 12 | October 16 | October 4 | 172 days | – |
| SalyersvilleSalyersville Water Works | April 25 | May 11 | October 21 | October 10 | 179 days | – |
| Leitchfield2 mi N | April 26 | May 11 | October 15 | October 4 | 172 days | 6b |
| Summer Shade | April 26 | May 16 | October 18 | October 5 | 174 days | 6b |
| Grayson2 mi E | April 27 | May 15 | October 17 | October 6 | 172 days | 7a |
| Manchester4 mi W | April 29 | May 13 | October 16 | October 4 | 170 days | – |
| West Liberty3 mi NW | April 29 | May 16 | October 16 | October 3 | 169 days | – |
| Shelbyville1 mi E | May 1 | May 15 | October 10 | September 24 | 161 days | – |
| Grayson (3 mi SW) | May 2 | May 20 | October 11 | October 1 | 160 days | – |
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities, growing-season length); station daily lows via ACIS (zone). Growing season: NOAA's median number of days between the last spring and first autumn 32°F night. Zone: the USDA's plant hardiness rule applied to the station's own 1991-2020 coldest nights.