Missouri frost dates: Last spring and first autumn frost at every NOAA station, 1991-2020
Across Missouri's 171 NOAA stations with frost dates, the median last spring frost (32°F) runs from March 24 in Caruthersville to April 27 in Rosebud; for half of its places it comes after April 12.
- Typical last spring frost
- April 12median of 134 places
- Typical first autumn frost
- October 24median of 134 places
- Earliest last frost
- March 24Caruthersville
- Latest last frost
- April 27Rosebud
When is the last frost in Missouri, town by town?
Each date is NOAA's: "after April 12 in half of years" means the last 32°F night of spring came after April 12 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 |
|---|---|---|---|---|---|---|
| Caruthersville | March 24 | April 8 | November 9 | October 26 | 230 days | 7b |
| Portageville | March 25 | April 9 | November 7 | October 24 | 227 days | 7b |
| SikestonSikeston Power Station | March 26 | April 9 | November 6 | October 21 | 225 days | 7b |
| New Madrid | March 28 | April 12 | November 3 | October 23 | 220 days | – |
| MaldenMalden Municipal Airport | March 29 | April 12 | November 3 | October 23 | 221 days | – |
| Poplar Bluff station | March 29 | April 12 | November 5 | October 22 | 222 days | 7b |
| KennettKennett Radio KBOA | March 31 | April 15 | November 1 | October 18 | 215 days | – |
| Lakeside | March 31 | April 18 | November 3 | October 21 | 216 days | 7a |
| Poplar BluffPoplar Bluff Municipal Airport | March 31 | April 15 | October 31 | October 19 | 214 days | 7b |
| St Louis Science Center | April 1 | April 18 | November 4 | October 24 | 218 days | – |
| St. LouisSt Louis Lambert International Airport | April 2 | April 17 | November 4 | October 23 | 215 days | 7a |
| Wappapello Dam | April 2 | April 18 | November 2 | October 21 | 215 days | – |
| Carthage | April 4 | April 20 | October 27 | October 13 | 204 days | – |
| ClarksvilleClarksville Lock and Dam 24 | April 4 | April 23 | November 1 | October 19 | 208 days | 6b |
| Kansas City Downtown Airport | April 4 | April 20 | November 2 | October 21 | 211 days | 6b |
| SavertonSaverton Lock and Dam 22 | April 4 | April 19 | November 4 | October 23 | 212 days | 6b |
| Springfield Wbo | April 4 | April 20 | October 27 | October 15 | 204 days | – |
| St Charles (7 mi SSW) | April 4 | April 21 | October 29 | October 15 | 206 days | 6b |
| Washburn5 mi W | April 4 | April 23 | October 30 | October 17 | 207 days | – |
| Boonville station | April 5 | April 19 | October 29 | October 16 | 206 days | – |
| Cape GirardeauCape Girardeau Municipal Airport | April 5 | April 21 | October 25 | October 12 | 201 days | 7a |
| Columbia U Of M | April 5 | April 21 | October 31 | October 17 | 207 days | 6b |
| RollaRolla Missouri S&t | April 5 | April 22 | November 1 | October 18 | 207 days | 6b |
| St. CharlesSt Charles County Airport | April 5 | April 21 | October 27 | October 13 | 203 days | 6b |
| Joplin (24 mi N) | April 6 | April 23 | October 24 | October 8 | 198 days | – |
| Ozark Beach | April 6 | April 22 | October 31 | October 17 | 205 days | 7a |
| StocktonStockton Dam | April 6 | April 23 | October 30 | October 17 | 207 days | – |
| Waverly | April 6 | April 23 | October 30 | October 18 | 207 days | – |
| Advance1 mi S | April 7 | April 21 | October 27 | October 15 | 204 days | – |
| Appleton City | April 7 | April 24 | October 29 | October 15 | 202 days | 6b |
| ColumbiaColumbia Regional Airport | April 7 | April 21 | October 29 | October 16 | 205 days | 6b |
| Eldon | April 7 | April 27 | November 1 | October 19 | 208 days | – |
| Jackson | April 7 | April 22 | October 29 | October 16 | 202 days | 7a |
| Lee's SummitLees Summit Municipal Airport | April 7 | April 24 | October 29 | October 14 | 202 days | 6b |
| Neosho | April 7 | April 25 | October 31 | October 18 | 206 days | 7a |
| NevadaNevada Water Treatment Plant | April 7 | April 24 | October 27 | October 13 | 202 days | 7a |
| Pomme De Terre Dam | April 7 | April 26 | October 28 | October 13 | 204 days | – |
| Summersville3 mi SE | April 7 | April 27 | October 27 | October 13 | 201 days | 7a |
| Truman Dam & Reservoir | April 7 | April 22 | October 30 | October 16 | 205 days | – |
| Windsor | April 7 | April 24 | October 28 | October 15 | 202 days | – |
| BransonBranson Airport | April 8 | April 25 | November 2 | October 21 | 209 days | – |
| Eldorado Springs | April 8 | April 27 | October 29 | October 13 | 199 days | 7a |
| Iberia | April 8 | April 26 | October 28 | October 15 | 200 days | – |
| Jefferson City Water Treatment Plant | April 8 | April 23 | October 31 | October 17 | 205 days | 6b |
| Lexington3 mi E | April 8 | April 26 | October 25 | October 10 | 197 days | – |
| Long Branch Reservoir | April 8 | April 24 | October 28 | October 14 | 201 days | 6a |
| Pleasant HillPleasant Hill Weather Office | April 8 | April 23 | October 29 | October 16 | 204 days | 6b |
| St Charles Elm Point | April 8 | April 24 | October 29 | October 16 | 203 days | 6b |
| Versailles | April 8 | April 30 | October 29 | October 16 | 202 days | 6b |
| Vienna2 mi WNW | April 8 | April 27 | October 26 | October 12 | 200 days | – |
| Washington | April 8 | April 22 | October 25 | October 13 | 199 days | – |
| West PlainsWest Plains Municipal Airport | April 8 | April 26 | October 25 | October 14 | 199 days | 7a |
| Clearwater Dam | April 9 | April 24 | October 26 | October 12 | 199 days | – |
| Dora (3 mi SE) | April 9 | April 28 | October 23 | October 8 | 196 days | – |
| Festus | April 9 | April 25 | October 26 | October 14 | 197 days | 7a |
| JoplinJoplin Regional Airport | April 9 | April 26 | October 27 | October 12 | 200 days | 7a |
| Lamar7 mi N | April 9 | April 28 | October 27 | October 13 | 199 days | 7a |
| Monett4 mi SW | April 9 | April 27 | October 26 | October 13 | 199 days | 7a |
| SpringfieldSpringfield Weather Office Airport | April 9 | April 27 | October 27 | October 14 | 199 days | 6b |
| St. PetersSt Peters (2 mi SE) | April 9 | April 25 | October 26 | October 14 | 198 days | 7a |
| Brunswick | April 10 | April 26 | October 29 | October 15 | 201 days | 6a |
| Fulton | April 10 | April 30 | October 24 | October 11 | 195 days | 6b |
| HannibalHannibal Water Works | April 10 | April 25 | October 27 | October 14 | 199 days | 6a |
| Higginsville | April 10 | April 25 | October 24 | October 10 | 195 days | 6b |
| Houston | April 10 | May 1 | October 23 | October 6 | 194 days | – |
| Independence | April 10 | April 26 | October 27 | October 14 | 198 days | 6b |
| Jefferson CityJefferson City Memorial Airport | April 10 | April 25 | October 26 | October 13 | 198 days | 6b |
| Marshall | April 10 | April 27 | October 24 | October 12 | 196 days | 6b |
| SedaliaSedalia Mem Airport | April 10 | April 26 | October 26 | October 12 | 197 days | 6b |
| Wasola5 mi N | April 10 | April 26 | October 27 | October 14 | 198 days | 7a |
| Weldon SpringWeldon Spring NWS | April 10 | April 26 | October 26 | October 12 | 199 days | 6b |
| Ash Grove4 mi S | April 11 | April 29 | October 24 | October 13 | 196 days | – |
| California | April 11 | April 27 | October 25 | October 12 | 195 days | 6b |
| CantonCanton Lock and Dam 20 | April 11 | April 29 | October 23 | October 10 | 194 days | 6a |
| Freedom | April 11 | April 30 | October 21 | October 6 | 191 days | 6b |
| Lockwood | April 11 | April 27 | October 25 | October 10 | 198 days | 6b |
| Mansfield | April 11 | April 28 | October 26 | October 12 | 197 days | 7a |
| Mexico | April 11 | April 26 | October 25 | October 13 | 197 days | – |
| Mountain Grove2 mi N | April 11 | April 29 | October 28 | October 15 | 196 days | 6b |
| Potosi4 mi SW | April 11 | April 30 | October 28 | October 14 | 198 days | 6b |
| Union | April 11 | April 28 | October 23 | October 9 | 194 days | 6b |
| Vandalia | April 11 | April 25 | October 23 | October 7 | 192 days | 6a |
| Boonville | April 12 | April 27 | October 25 | October 12 | 195 days | – |
| Butler4 mi W | April 12 | April 28 | October 23 | October 9 | 192 days | 6b |
| Doniphan | April 12 | April 29 | October 26 | October 11 | 196 days | 7a |
| Marble Hill | April 12 | April 28 | October 23 | October 10 | 193 days | 6b |
| Monroe City | April 12 | April 28 | October 22 | October 7 | 190 days | – |
| Salisbury | April 12 | April 29 | October 22 | October 9 | 190 days | 6a |
| St Louis Spirit of St. Louis Airport | April 12 | April 27 | October 23 | October 11 | 193 days | 6b |
| Vichy Rolla National Airport | April 12 | April 30 | October 25 | October 11 | 194 days | 6b |
| Bowling Green1 mi E | April 13 | May 1 | October 23 | October 5 | 188 days | – |
| Cole Camp3 mi NW | April 13 | April 29 | October 23 | October 9 | 191 days | – |
| Elm | April 13 | April 29 | October 23 | October 9 | 191 days | 6b |
| Farmington | April 13 | April 30 | October 21 | October 6 | 191 days | 6b |
| Kansas CityKansas City International Airport | April 13 | April 29 | October 24 | October 9 | 193 days | 6a |
| Lees Summit Reed Wildlife Refuge | April 13 | April 28 | October 26 | October 11 | 194 days | – |
| Marshfield4 mi WSW | April 13 | April 29 | October 24 | October 8 | 191 days | 6b |
| Moberly | April 13 | April 27 | October 25 | October 12 | 195 days | 6a |
| New Franklin1 mi W | April 13 | April 29 | October 22 | October 7 | 191 days | 6a |
| Windsor station | April 13 | April 30 | October 22 | October 9 | 191 days | – |
| Ava (12 mi SW) | April 14 | May 1 | October 21 | October 8 | 188 days | 7a |
| Bolivar1 mi NE | April 14 | May 2 | October 23 | October 8 | 188 days | 6b |
| Brookfield | April 14 | April 28 | October 23 | October 9 | 192 days | 6a |
| Cassville | April 14 | April 30 | October 26 | October 11 | 194 days | – |
| Fort Leonard Wood | April 14 | April 30 | October 24 | October 11 | 193 days | – |
| Gentryville | April 14 | April 30 | October 25 | October 11 | 193 days | – |
| Mount VernonMount Vernon University Mo - SW Center | April 14 | May 1 | October 21 | October 6 | 188 days | – |
| Warrensburg4 mi NW | April 14 | May 4 | October 21 | October 6 | 189 days | – |
| Warrenton1 mi N | April 14 | May 3 | October 23 | October 9 | 191 days | – |
| Anderson | April 15 | May 1 | October 23 | October 10 | 191 days | 6b |
| Anderson (3 mi W) | April 15 | April 30 | October 26 | October 14 | 194 days | – |
| Billings1 mi SW | April 15 | May 2 | October 23 | October 11 | 189 days | 6b |
| Cameron | April 15 | April 29 | October 24 | October 10 | 192 days | – |
| ChillicotheChillicothe Agri-Science | April 15 | May 1 | October 21 | October 8 | 188 days | 6a |
| Chillicothe (2 mi S) | April 15 | April 30 | October 21 | October 7 | 187 days | – |
| Chillicothe (22 mi ENE) | April 15 | May 2 | October 20 | October 5 | 184 days | 6a |
| Grovespring1 mi NE | April 15 | May 2 | October 22 | October 6 | 188 days | – |
| Ozark | April 15 | April 30 | October 23 | October 10 | 189 days | – |
| Waynesville2 mi W | April 15 | May 2 | October 21 | October 6 | 185 days | 6b |
| Bethany | April 16 | May 3 | October 22 | October 6 | 186 days | 6a |
| Carrollton | April 16 | May 1 | October 23 | October 7 | 187 days | 6b |
| Galena | April 16 | May 4 | October 21 | October 6 | 187 days | – |
| Linneus3 mi SE | April 16 | May 1 | October 20 | October 7 | 187 days | – |
| Oregon | April 16 | April 30 | October 20 | October 3 | 186 days | 6a |
| Osceola | April 16 | May 3 | October 24 | October 10 | 189 days | 6b |
| Trenton | April 16 | April 29 | October 20 | October 5 | 184 days | 6a |
| West Plains station | April 16 | May 3 | October 21 | October 8 | 189 days | – |
| Albany | April 17 | April 30 | October 21 | October 6 | 185 days | – |
| Alton | April 17 | May 1 | October 21 | October 7 | 187 days | – |
| Clinton | April 17 | May 2 | October 21 | October 7 | 187 days | 6b |
| Conception | April 17 | April 30 | October 20 | October 3 | 184 days | 6a |
| Cosby2 mi W | April 17 | May 1 | October 19 | October 4 | 184 days | – |
| Lebanon2 mi W | April 17 | May 2 | October 21 | October 7 | 187 days | 6b |
| Salem | April 17 | May 5 | October 18 | October 3 | 182 days | – |
| Steffenville | April 17 | May 4 | October 19 | September 30 | 184 days | 6a |
| Sweet Springs | April 17 | May 2 | October 20 | October 1 | 184 days | 6b |
| Unionville | April 17 | April 30 | October 22 | October 7 | 186 days | – |
| Diamond2 mi W | April 18 | May 3 | October 22 | October 7 | 184 days | – |
| Eminence1 mi N | April 18 | May 1 | October 19 | October 7 | 182 days | – |
| Sedalia Water Treatment Plant | April 18 | May 2 | October 22 | October 6 | 186 days | 6a |
| Seligman | April 18 | May 3 | October 22 | October 7 | 185 days | – |
| SmithvilleSmithville Lake | April 18 | May 3 | October 20 | October 5 | 183 days | – |
| Amity4 mi NE | April 19 | May 4 | October 19 | October 2 | 180 days | 6a |
| Gallatin1 mi W | April 19 | May 4 | October 21 | October 6 | 184 days | 6a |
| Kearney3 mi E | April 19 | May 5 | October 17 | October 4 | 181 days | – |
| KirksvilleKirksville Regional Airport | April 19 | May 5 | October 18 | October 1 | 180 days | 5b |
| Maryville2 mi E | April 19 | May 3 | October 17 | October 2 | 180 days | 5b |
| PerryvillePerryville Water Treatment Plant | April 19 | May 3 | October 20 | October 5 | 182 days | 6b |
| Richmond3 mi S | April 19 | May 3 | October 18 | October 3 | 180 days | 6a |
| St. JosephSt Joseph Rosecrans Airport | April 19 | May 3 | October 17 | September 30 | 180 days | 6a |
| Tarkio | April 19 | May 4 | October 15 | October 1 | 177 days | – |
| Elsberry1 mi S | April 20 | May 5 | October 20 | October 6 | 181 days | 6a |
| Grant City (5 mi WSW) | April 20 | May 6 | October 19 | October 4 | 181 days | – |
| Licking4 mi N | April 20 | May 5 | October 19 | October 4 | 181 days | 6b |
| Spickard7 mi W | April 20 | May 5 | October 16 | September 30 | 177 days | 5b |
| Fredericktown | April 21 | May 8 | October 16 | October 1 | 174 days | 6b |
| Kirksville station | April 21 | May 5 | October 19 | October 2 | 179 days | 6a |
| Shelbina | April 21 | May 5 | October 17 | October 2 | 177 days | 6a |
| Winona3 mi SW | April 22 | May 6 | October 18 | October 5 | 176 days | – |
| Ava6 mi NW | April 23 | May 6 | October 17 | October 4 | 175 days | – |
| Buffalo2 mi N | April 23 | May 8 | October 15 | October 1 | 175 days | 6b |
| Hamilton2 mi W | April 23 | May 6 | October 17 | October 2 | 175 days | 5b |
| Memphis | April 23 | May 6 | October 17 | October 2 | 176 days | 5b |
| Salem (10 mi W) | April 23 | May 9 | October 14 | September 30 | 173 days | – |
| Grant City | April 24 | May 7 | October 14 | September 29 | 172 days | – |
| Round Spring (2 mi SW) | April 24 | May 8 | October 16 | October 4 | 172 days | – |
| Princeton | April 25 | May 8 | October 15 | September 30 | 174 days | – |
| Green City5 mi N | April 26 | May 12 | October 14 | September 30 | 169 days | – |
| Oldfield | April 26 | May 8 | October 13 | September 29 | 167 days | – |
| Steelville2 mi N | April 26 | May 12 | October 8 | September 25 | 164 days | – |
| Rosebud | April 27 | May 12 | October 13 | September 29 | 168 days | 6a |
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.