Frost dates in Ohio
Across 130 NOAA stations in Ohio, the average last spring frost ranges from April 8 at Cleveland Burke Airport to May 10 at Dorset.
| Akron Canton Rgnl Airport | April 24 | October 26 | 184 |
| Akron Fulton Intl Airport | April 24 | October 28 | 186 |
| Ashland 2 Sw | April 30 | October 15 | 168 |
| Ashtabula Co Airport | May 2 | October 21 | 171 |
| Athens Ou | April 25 | October 23 | 179 |
| Barnesville | April 27 | October 22 | 177 |
| Bellefontaine | April 26 | October 20 | 175 |
| Beverly Stp | April 24 | October 22 | 178 |
| Bowling Green Wwtp | April 22 | October 25 | 186 |
| Bryan 2 Se | April 26 | October 17 | 170 |
| Bucyrus | April 19 | October 27 | 190 |
| Cadiz | April 21 | October 25 | 186 |
| Caldwell 3Se | April 30 | October 14 | 167 |
| Cambridge | April 28 | October 17 | 172 |
| Carpenter 2 S | April 27 | October 14 | 168 |
| Celina 3 Ne | April 27 | October 19 | 175 |
| Centerburg 2 Se | April 27 | October 17 | 172 |
| Chardon | May 5 | October 18 | 164 |
| Cheviot | April 17 | October 26 | 191 |
| Cheviot 3 W | April 16 | October 28 | 193 |
| Chillicothe Mound City | April 20 | October 22 | 184 |
| Chilo Meldahl Locks & Dam | April 16 | October 31 | 196 |
| Chippewa Lake | April 29 | October 19 | 172 |
| Cincinnati | April 19 | October 22 | 185 |
| Cincinnati Lunken Airport | April 16 | October 25 | 190 |
| Cincinnati-Fernbank | April 13 | October 31 | 197 |
| Circleville | April 17 | October 28 | 192 |
| Cleveland | April 20 | November 3 | 198 |
| Cleveland Burke Airport | April 8 | November 12 | 217 |
| Columbus Ohio State Univ Airport | April 22 | October 23 | 183 |
| Columbus Port Columbus Intl Airport | April 18 | October 27 | 191 |
| Columbus Wcmh | April 20 | October 24 | 185 |
| Columbus-Valley Crossing | April 23 | October 19 | 177 |
| Coshocton Ag Rsch Stn | April 18 | October 28 | 190 |
| Coshocton Wpc Plt | April 27 | October 18 | 174 |
| Danville 2 W | May 2 | October 8 | 157 |
| Dayton Intl Airport | April 16 | October 28 | 194 |
| Dayton Mcd | April 18 | October 25 | 189 |
| Dayton Wright Bros Airport | April 17 | October 26 | 192 |
| Defiance | April 22 | October 24 | 183 |
| Defiance Mem Airport | April 28 | October 17 | 170 |
| Dennison Wtr Wks | April 29 | October 15 | 170 |
| Dorset | May 10 | October 10 | 154 |
| Eaton | April 25 | October 20 | 176 |
| Elyria 3 E | April 22 | November 1 | 192 |
| Elyria Lorain Co Airport | April 24 | October 24 | 182 |
| Fairfield | April 19 | October 22 | 186 |
| Findlay Airport | April 19 | October 23 | 185 |
| Findlay Wpcc | April 22 | October 24 | 183 |
| Franklin | April 24 | October 19 | 178 |
| Fredericktown 4 S | May 1 | October 10 | 161 |
| Fremont | April 26 | October 23 | 179 |
| Fremont Ag Stn | April 21 | October 24 | 183 |
| Galion Wtr Wks | April 26 | October 20 | 176 |
| Gallipolis | April 18 | October 28 | 192 |
| Greenville Wtp | April 21 | October 20 | 180 |
| Hamilton Butler Co Rgnl Airport | April 22 | October 18 | 178 |
| Hannibal Locks & Dam | April 26 | October 26 | 182 |
| Hicksville | April 28 | October 17 | 170 |
| Hillsboro | April 24 | October 20 | 178 |
| Hiram | May 1 | October 20 | 170 |
| Hoytville 2 Ne | April 24 | October 21 | 179 |
| Huntsville 3N | April 22 | October 27 | 188 |
| Jackson 3 Nw | April 22 | October 21 | 181 |
| Kenton | April 22 | October 24 | 182 |
| Kirtland-Holden 2 | April 26 | October 31 | 184 |
| Lancaster | April 22 | October 24 | 183 |
| Lancaster Fairfield Airport | April 26 | October 13 | 169 |
| Lima Allen Co Airport | April 22 | October 22 | 181 |
| Lima Wwtp | April 24 | October 24 | 182 |
| Logan | April 30 | October 14 | 167 |
| London Fish Hatchery | April 24 | October 18 | 175 |
| Lucasville | April 21 | October 24 | 185 |
| Mansfield 5 W | April 30 | October 15 | 167 |
| Mansfield Lahm Muni Airport | April 26 | October 22 | 177 |
| Marietta Wwtp | April 18 | October 27 | 191 |
| Marion 2 N | April 25 | October 20 | 178 |
| Marion Muni Airport | April 24 | October 20 | 178 |
| Marysville | April 19 | October 26 | 188 |
| Mc Connellsville Lk 7 | April 27 | October 21 | 176 |
| Milford | April 23 | October 18 | 177 |
| Millersburg | May 2 | October 14 | 164 |
| Millport 4 Ne | May 2 | October 13 | 165 |
| Montpelier | April 28 | October 18 | 173 |
| Mosquito Creek Lake | April 30 | October 23 | 176 |
| Napoleon | April 24 | October 21 | 179 |
| Napoleon 1Sw | April 23 | October 24 | 183 |
| New Carlisle | April 24 | October 17 | 173 |
| New Lexington 2 Nw | April 30 | October 17 | 168 |
| New Philadelphia | April 30 | October 15 | 167 |
| New Philadelphia Fld | April 26 | October 21 | 176 |
| Newark Heath Airport | April 22 | October 18 | 178 |
| Newark Wtr Wks | April 29 | October 16 | 167 |
| Newport | April 23 | October 26 | 185 |
| Norwalk Wwtp | April 25 | October 25 | 183 |
| Oberlin | April 27 | October 22 | 178 |
| Painesville 4 Nw | April 15 | November 9 | 209 |
| Pandora | April 23 | October 22 | 180 |
| Paulding | April 25 | October 19 | 175 |
| Philo 3 Sw | April 19 | October 25 | 189 |
| Piqua Wwtp | April 18 | October 23 | 186 |
| Portsmouth-Sciotoville | April 17 | October 25 | 191 |
| Ravenna 2 S | April 21 | October 29 | 189 |
| Ripley Exp Farm | April 29 | October 11 | 162 |
| S Pt | April 16 | October 30 | 196 |
| Sandusky | April 10 | November 5 | 209 |
| Sidney 1 S | April 27 | October 20 | 175 |
| Springfield Wtp | April 25 | October 19 | 175 |
| Steubenville | April 29 | October 20 | 175 |
| Stow 4 Se | April 30 | October 21 | 173 |
| Tiffin | April 23 | October 23 | 184 |
| Toledo Express Airport | April 22 | October 24 | 188 |
| Toledo Metcalf Fld | April 20 | October 27 | 188 |
| Upper Sandusky | April 29 | October 17 | 171 |
| Urbana Wwtp | April 24 | October 19 | 179 |
| Van Wert 1 S | April 21 | October 26 | 187 |
| Warren 3 S | May 8 | October 12 | 157 |
| Washington Court House | April 23 | October 21 | 181 |
| Waterloo | April 30 | October 15 | 167 |
| Wauseon Wtp | April 29 | October 16 | 170 |
| Waverly | April 21 | October 22 | 182 |
| Westerville | April 22 | October 24 | 183 |
| Wfo Wilmington | April 17 | October 22 | 187 |
| Wilmington 3 N | April 20 | October 20 | 180 |
| Wooster 3 Sse | April 24 | October 21 | 177 |
| Wooster Exp Station | April 30 | October 12 | 163 |
| Wooster Wayne Co Airport | April 29 | October 14 | 167 |
| Xenia 6 Sse | April 18 | October 24 | 188 |
| Youngstown Rgnl Airport | May 1 | October 17 | 167 |
| Zanesville Muni Airport | April 26 | October 19 | 177 |
Sources
- U.S. Annual/Seasonal Climate Normals, 1991 to 2020 (freeze probability dates by station), NOAA National Centers for Environmental Information, checked 1 November 2026
- Annual/Seasonal Normals 1991 to 2020 documentation, NOAA National Centers for Environmental Information, checked 1 November 2026
- 2024 Gazetteer Files, ZIP Code Tabulation Areas, US Census Bureau, checked 1 November 2026